Butler National (BUKS) 10-Q15 Mar 242024 Q3 Quarterly reportFinancial data

Company Profile

Document And Entity Information

Document And Entity Information - shares	9 Months Ended
Document And Entity Information - shares	Jan. 31, 2024	Mar. 15, 2024
Document Information [Line Items]
Entity Central Index Key	0000015847
Entity Registrant Name	BUTLER NATIONAL CORP
Amendment Flag	false
Current Fiscal Year End Date	--04-30
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2024
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jan. 31, 2024
Document Transition Report	false
Entity File Number	0-1678
Entity Incorporation, State or Country Code	KS
Entity Tax Identification Number	41-0834293
Entity Address, Address Line One	One Aero Plaza
Entity Address, City or Town	New Century
Entity Address, State or Province	KS
Entity Address, Postal Zip Code	66031
City Area Code	913
Local Phone Number	780-9595
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		68,850,856

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jan. 31, 2024	Apr. 30, 2023
CURRENT ASSETS:
Cash	$ 17,885	$ 21,997
Accounts receivable, net	6,140	3,793
Inventory, net	10,537	8,947
Contract asset	2,134	1,893
Prepaid expenses and other current assets	2,090	3,532
Total current assets	38,786	40,162
LEASE RIGHT-TO-USE ASSET, net	2,939	3,081
PROPERTY, PLANT AND EQUIPMENT, net	59,385	59,067
SUPPLEMENTAL TYPE CERTIFICATES (net of accumulated amortization of $11,509 at January 31, 2024 and $10,603 at April 30, 2023)	9,383	8,722
OTHER ASSETS:
Other assets (net of accumulated amortization of $12,831 at January 31, 2024 and $12,290 at April 30, 2023)	1,313	1,401
Deferred tax asset, net	1,473	1,473
Total other assets	2,786	2,874
Total assets	113,279	113,906
CURRENT LIABILITIES:
Accounts payable	8,496	5,320
Current maturities of long-term debt	4,900	4,987
Current maturities of lease liability	63	145
Contract liability	5,673	6,031
Gaming facility mandated payment	1,435	1,730
Compensation and compensated absences	1,796	6,722
Income taxes payable	2,205	228
Other current liabilities	658	214
Total current liabilities	25,226	25,377
LONG-TERM LIABILITIES
Long-term debt, net of current maturities	34,785	38,418
Lease liability, net of current maturities	3,356	3,330
Total long-term liabilities	38,141	41,748
Total liabilities	63,367	67,125
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS' EQUITY:
Common stock, par value $.01: Authorized 100,000,000 shares, issued 79,721,211 shares, and outstanding 68,850,856 shares at January 31, 2024 and issued 80,871,211 shares, and outstanding 76,891,689 shares at April 30, 2023	797	808
Capital contributed in excess of par	13,791	13,647
Treasury stock at cost, 10,870,355 shares at January 31, 2024 and 3,979,522 shares at April 30, 2023	(7,192)	(2,138)
Retained earnings	42,516	34,464
Total stockholders' equity	49,912	46,781
Total liabilities and stockholders' equity	113,279	113,906
Preferred Class A [Member]
STOCKHOLDERS' EQUITY:
Preferred stock	0	0
Preferred Class B [Member]
STOCKHOLDERS' EQUITY:
Preferred stock	$ 0	$ 0

Condensed Consolidated Balanc_2

Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jan. 31, 2024	Apr. 30, 2023
Supplemental type certificates, accumulated amortization	$ 11,509	$ 10,603
Other assets, accumulated amortization	$ 12,831	$ 12,290
Preferred stock, par value (in dollars per share)	$ 5	$ 5
Preferred stock, shares authorized (in shares)	50,000,000	50,000,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized (in shares)	100,000,000	100,000,000
Common stock, issued (in shares)	79,721,211	80,871,211
Common stock, outstanding (in shares)	68,850,856	76,891,689
Treasury stock, shares (in shares)	10,870,355	3,979,522
Preferred Class A [Member]
Preferred stock, stated value (in dollars per share)	$ 100	$ 100
Preferred stock, dividend rate	9.80%	9.80%
Preferred stock, liquidation value	$ 100	$ 100
Preferred stock, redemption value	$ 100	$ 100
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Preferred stock, designated classes (in shares)	200,000	200,000
Preferred Class B [Member]
Preferred stock, stated value (in dollars per share)	$ 1,000	$ 1,000
Preferred stock, dividend rate	6%	6%
Preferred stock, liquidation value	$ 1,000	$ 1,000
Preferred stock, redemption value	$ 1,000	$ 1,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Preferred stock, designated classes (in shares)	200,000	200,000

Condensed Consolidated Statemen

Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2024	Jan. 31, 2023
REVENUE:
Revenues from customers	$ 18,960	$ 20,464	$ 55,746	$ 55,093
COSTS AND EXPENSES:
Marketing and advertising	1,216	1,324	3,854	4,023
General, administrative and other	4,008	4,777	11,290	12,296
Total costs and expenses	15,165	17,079	47,215	46,081
OPERATING INCOME	3,795	3,385	8,531	9,012
OTHER INCOME (EXPENSE):
Interest expense	(615)	(677)	(1,869)	(2,107)
Interest income	83	0	199	0
Total other income (expense)	(532)	(677)	2,499	(2,038)
INCOME BEFORE INCOME TAXES	3,263	2,708	11,030	6,974
Gain on sale of airplanes			4,169	0
Gain on sale of building			0	69
PROVISION FOR INCOME TAXES:
Provision for income taxes	881	731	2,978	1,603
NET INCOME	$ 2,382	$ 1,977	$ 8,052	$ 5,091
BASIC EARNINGS PER COMMON SHARE (in dollars per share)	$ 0.03	$ 0.03	$ 0.11	$ 0.07
WEIGHTED AVERAGE SHARES USED IN PER SHARE CALCULATION (in shares)	69,634,335	76,663,867	70,984,870	76,633,871
DILUTED EARNINGS PER COMMON SHARE (in dollars per share)	$ 0.03	$ 0.03	$ 0.11	$ 0.07
WEIGHTED AVERAGE SHARES USED IN PER SHARE CALCULATION (in shares)	69,634,335	76,663,867	70,984,870	76,633,871
Deferred Income Tax Expense (Benefit)			$ 0	$ 280
Professional Services [Member]
REVENUE:
Revenues from customers	$ 9,941	$ 9,574	28,751	28,280
COSTS AND EXPENSES:
Cost of services and products	4,023	3,789	11,976	11,164
Aerospace Products [Member]
REVENUE:
Revenues from customers	9,019	10,890	26,995	26,813
COSTS AND EXPENSES:
Cost of services and products	$ 5,918	$ 7,189	$ 20,095	$ 18,598

Condensed Consolidated Statem_2

Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands		Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock, Common [Member]	Retained Earnings [Member]	Parent [Member]	Total
Balance (in shares) at Apr. 30, 2022		80,348,572		3,890,426
Balance at Apr. 30, 2022		$ 803	$ 12,160	$ (2,077)	$ 29,948	$ 40,834
Deferred compensation, restricted stock (in shares)		(75,000)		0
Deferred compensation, restricted stock		$ 0	132	$ 0	0	132
Stock repurchase (in shares)		0		1,639			1,639	[1]
Stock repurchase		$ 0	0	$ (2)	0	(2)
Stock awarded to Director (in shares)		400,000		0
Stock awarded to Director		$ 4	348	$ 0	0	352
Net Income		$ 0	0	$ 0	431	431
Balance (in shares) at Jul. 31, 2022		80,673,572		3,892,065
Balance at Jul. 31, 2022		$ 807	12,640	$ (2,079)	30,379	41,747
Balance (in shares) at Apr. 30, 2022		80,348,572		3,890,426
Balance at Apr. 30, 2022		$ 803	12,160	$ (2,077)	29,948	40,834
Net Income							$ 5,091
Balance (in shares) at Jan. 31, 2023		79,873,572		3,977,522
Balance at Jan. 31, 2023		$ 799	12,745	$ (2,137)	35,039	46,446
Balance (in shares) at Jul. 31, 2022		80,673,572		3,892,065
Balance at Jul. 31, 2022		$ 807	12,640	$ (2,079)	30,379	41,747
Deferred compensation, restricted stock (in shares)		0		0
Deferred compensation, restricted stock		$ 0	146	$ 0	0	146
Stock repurchase (in shares)		0		150			150	[1]
Stock repurchase		$ 0	0	$ 0	0	0
Net Income		$ 0	0	$ 0	2,683	2,683
Balance (in shares) at Oct. 31, 2022		80,673,572		3,892,215
Balance at Oct. 31, 2022		$ 807	12,786	$ (2,079)	33,062	44,576
Deferred compensation, restricted stock (in shares)		(800,000)		0
Deferred compensation, restricted stock		$ (8)	(41)	$ 0	0	(49)
Stock repurchase (in shares)		0		85,307			85,307	[1]
Stock repurchase		$ 0	0	$ (58)	0	(58)
Net Income		$ 0	0	$ 0	1,977	1,977	$ 1,977
Balance (in shares) at Jan. 31, 2023		79,873,572		3,977,522
Balance at Jan. 31, 2023		$ 799	12,745	$ (2,137)	35,039	46,446
Stock repurchase (in shares)	[1]						2,000
Balance (in shares) at Apr. 30, 2023		80,871,211		3,979,522
Balance at Apr. 30, 2023		$ 808	13,647	$ (2,138)	34,464	46,781	$ 46,781
Deferred compensation, restricted stock (in shares)		(1,300,000)		0
Deferred compensation, restricted stock		$ (13)	(236)	$ 0	0	(249)
Stock repurchase (in shares)		0		6,863,789			6,863,789	[1]
Stock repurchase		$ 0	0	$ (5,035)	0	(5,035)
Net Income		$ 0	0	$ 0	719	719
Balance (in shares) at Jul. 31, 2023		79,571,211		10,843,311
Balance at Jul. 31, 2023		$ 795	13,411	$ (7,173)	35,183	42,216
Balance (in shares) at Apr. 30, 2023		80,871,211		3,979,522
Balance at Apr. 30, 2023		$ 808	13,647	$ (2,138)	34,464	46,781	$ 46,781
Net Income							8,052
Balance (in shares) at Jan. 31, 2024		79,721,211		10,870,355
Balance at Jan. 31, 2024		$ 797	13,791	$ (7,192)	42,516	49,912	$ 49,912
Balance (in shares) at Jul. 31, 2023		79,571,211		10,843,311
Balance at Jul. 31, 2023		$ 795	13,411	$ (7,173)	35,183	42,216
Deferred compensation, restricted stock (in shares)		0		0
Deferred compensation, restricted stock		$ 0	104	$ 0	0	104
Stock repurchase (in shares)		0		2,300			2,300	[1]
Stock repurchase		$ 0	0	$ (1)	0	(1)
Stock awarded to Director (in shares)		300,000		0
Stock awarded to Director		$ 3	219	$ 0	0	222
Net Income		$ 0	0	$ 0	4,951	4,951
Balance (in shares) at Oct. 31, 2023		79,871,211		10,845,611
Balance at Oct. 31, 2023		$ 798	13,734	$ (7,174)	40,134	47,492
Deferred compensation, restricted stock (in shares)		(150,000)		0
Deferred compensation, restricted stock		$ (1)	57	$ 0	0	56
Stock repurchase (in shares)		0		24,744
Stock repurchase		$ 0	0	$ (18)	0	(18)
Net Income		$ 0	0	$ 0	2,382	2,382	$ 2,382
Balance (in shares) at Jan. 31, 2024		79,721,211		10,870,355
Balance at Jan. 31, 2024		$ 797	$ 13,791	$ (7,192)	$ 42,516	$ 49,912	$ 49,912

[1]These shares of common stock were purchased through a private transaction

Condensed Consolidated Statem_3

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Jan. 31, 2024	Jan. 31, 2023
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 8,052	$ 5,091
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	4,558	4,323
Stock awarded to director	222	352
Deferred Income Tax Expense (Benefit)	0	280
Gain on sale of airplanes	(4,169)	0
Gain (loss) on sale of building	0	(69)
Deferred compensation, restricted stock	(89)	229
Changes in operating assets and liabilities:
Accounts receivable	(2,347)	(1,118)
Inventory	(2,062)	(503)
Contract assets	(241)	(1,252)
Prepaid expenses and other assets	1,443	(2,545)
Accounts payable	3,176	3,899
Increase (Decrease) in Contract with Customer, Liability	(358)	4,043
Lease liability	140	141
Accrued liabilities	(4,926)	1,095
Gaming facility mandated payment	(295)	(257)
Income tax payable	1,977	(933)
Other liabilities	444	262
Net cash provided by operating activities	5,525	13,038
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(5,571)	(4,298)
Proceeds from sale of airplanes	4,904	0
Proceeds from sale of building	0	164
Net cash used in investing activities	(667)	(4,134)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments of long-term debt	(3,720)	(3,941)
Repayments on right-to-use lease liability	(196)	(194)
Repurchase of common stock	(5,054)	(60)
Net cash used in financing activities	(8,970)	(4,195)
NET INCREASE (DECREASE) IN CASH	(4,112)	4,709
CASH, beginning of period	21,997	12,487
CASH, end of period	17,885	17,196
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Interest paid	1,873	2,114
Income taxes paid	1,000	2,536
NON CASH INVESTING AND FINANCING ACTIVITY:
Lease right-of-use assets purchased	0	541
Lease liability for purchase of assets under lease	$ 0	$ 541

Note 1

Note 1	9 Months Ended
Note 1	Jan. 31, 2024
Notes to Financial Statements
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]	1. 10 8 X not 10 April 30, 2023 three nine January 31, 2024 not may April 30, 2024 Certain reclassifications within the condensed financial statement captions have been made to maintain consistency in presentation between years. These reclassifications have no

Note 2 - Net Income Per Share

Note 2 - Net Income Per Share	9 Months Ended
Note 2 - Net Income Per Share	Jan. 31, 2024
Notes to Financial Statements
Earnings Per Share [Text Block]	2. 260 260,

Note 3 - Revenue Recognition_ A

Note 3 - Revenue Recognition: ASC Topic 606, "Revenue From Contracts With Customers"	9 Months Ended
	Jan. 31, 2024
Notes to Financial Statements
Revenue from Contract with Customer [Text Block]	3. 606, Under ASC 606, five 1 Identify the contract, or contracts, with a customer A contract with a customer exists when (i) the Company enters into an enforceable contract with a customer that defines each party’s rights regarding the services to be transferred and identifies the payment terms related to these services, (ii) the contract has commercial substance and (iii) the Company determines that collection of substantially all consideration for services that are transferred is probable based on the customer’s intent and ability to pay the promised consideration. 2 Identify the performance obligations in the contract At contract inception, an entity shall assess the goods or services promised in a contract with a customer and shall identify as a performance obligation each promise to transfer to the customer. Performance obligations promised in a contract are identified based on the services that will be transferred to the customer that are both capable of being distinct, whereby the customer can benefit from the service either on its own or together with other resources that are readily available from third ng distinct and distinct in the not 3 Determine the transaction price The transaction price is the amount that an entity allocates to the performance obligations identified in the contract and, therefore, represents the amount of revenue recognized as those performance obligations are satisfied. The transaction price is the amount of consideration to which an entity expects to be entitled in exchange for transferring promised goods or services to a customer. 4 Allocate the transaction price to the performance obligations in the contract Once a contract and associated performance obligations have been identified and the transaction price has been determined, ASC 606 5 Recognize revenue when, or as, we satisfy a performance obligation Revenue is recognized when or as performance obligations are satisfied by transferring control of a promised good or service to a customer. Control transfers either over time or at a point in time. Revenue is recognized when control of the promised services is transferred to our customers, in an amount that reflects the consideration we expect to be entitled to in exchange for those services. Aircraft modifications are performed under fixed-price contracts unless modified with a change order. Significant payment terms are generally included in these contracts, requiring a 30% 50% one Revenue from Aircraft Avionics and Special Mission Electronics are recognized when shipped. Payment for these Avionics products is due within 30 days of the invoice date after shipment. Regarding warranties and returns, our products are special order and are not may not Gaming revenue is the gross gaming win as reported by the Kansas Lottery casino reporting systems, less the mandated payments by and for the State of Kansas. Electronic games-slots and table games revenue is the aggregate of gaming wins and losses. Liabilities are recognized for chips and "ticket-in, ticket-out" coupons in the customers' possession, and for accruals related to anticipated payout of progressive jackpots. Progressive gaming machines, which contain base jackpots that increase at a progressive rate based on the number of coins played, are deducted from revenue as the value of jackpots increase. Effective September 1, 2022,

Note 4 - Disaggregation of Reve

Note 4 - Disaggregation of Revenue	9 Months Ended
Note 4 - Disaggregation of Revenue	Jan. 31, 2024
Notes to Financial Statements
Disaggregation of Revenue [Text Block]	4. In the following table, revenue is disaggregated by primary geographical market, major product line, and timing of revenue recognition. Three Months Ended January 31, 2024 Three Months Ended January 31, 2023 Professional Services Aerospace Products Total Professional Services Aerospace Products Total Geographical Markets North America $ 9,941 $ 5,163 $ 15,104 $ 9,574 $ 8,258 $ 17,832 Europe - 2,255 2,255 - 90 90 Asia - 876 876 92 92 Australia and Other - 725 725 - 2,450 2,450 $ 9,941 $ 9,019 $ 18,960 $ 9,574 $ 10,890 $ 20,464 Major Product Lines Casino Gaming Revenue $ 7,319 $ - $ 7,319 $ 7,210 $ - $ 7,210 Sportsbook Revenue 1,457 - 1,457 1,160 - 1,160 Casino Non-Gaming Revenue 1,153 - 1,153 1,102 - 1,102 Professional Services 12 - 12 102 - 102 Aircraft Modification - 5,402 5,402 - 7,188 7,188 Aircraft Avionics - 810 810 - 679 679 Special Mission Electronics - 2,807 2,807 - 3,023 3,023 $ 9,941 $ 9,019 $ 18,960 $ 9,574 $ 10,890 $ 20,464 Contract Types / Revenue Recognition Timing Percentage of completion contracts $ - $ 4,756 $ 4,756 $ - $ 6,875 $ 6,875 Goods or services transferred at a point of sale 9,941 4,263 14,204 9,574 4,015 13,589 $ 9,941 $ 9,019 $ 18,960 $ 9,574 $ 10,890 $ 20,464 Nine Months Ended January 31, 2024 Nine Months Ended January 31, 2023 Professional Services Aerospace Products Total Professional Services Aerospace Products Total Geographical Markets North America $ 28,751 $ 19,347 $ 48,098 $ 28,280 $ 22,553 $ 50,833 Europe - 3,873 3,873 - 396 396 Asia - 1,235 1,235 - 503 503 Australia and Other - 2,540 2,540 - 3,361 3,361 $ 28,751 $ 26,995 $ 55,746 $ 28,280 $ 26,813 $ 55,093 Major Product Lines Casino Gaming Revenue $ 21,816 $ - $ 21,816 $ 22,745 $ - $ 22,745 Sportsbook Revenue 3,471 - 3,471 1,985 - 1,985 Casino Non-Gaming Revenue 3,400 - 3,400 3,284 - 3,284 Professional Services 64 - 64 266 - 266 Aircraft Modification - 16,967 16,967 - 16,902 16,902 Aircraft Avionics - 2,332 2,332 - 1,917 1,917 Special Mission Electronics - 7,696 7,696 - 7,994 7,994 $ 28,751 $ 26,995 $ 55,746 $ 28,280 $ 26,813 $ 55,093 Contract Types / Revenue Recognition Timing Percentage of completion contracts $ - $ 15,369 $ 15,369 $ - $ 15,750 $ 15,750 Goods or services transferred at a point of sale 28,751 11,626 40,377 28,280 11,063 39,343 $ 28,751 $ 26,995 $ 55,746 $ 28,280 $ 26,813 $ 55,093

Note 5 - Accounts Receivable, N

Note 5 - Accounts Receivable, Net, Contract Asset and Contract Liability	9 Months Ended
	Jan. 31, 2024
Notes to Financial Statements
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Text Block]	5. Accounts Receivables, net, contract asset and contract liability were as follows (in thousands): January 31, April 30, 2024 2023 Accounts Receivable, net $ 6,140 $ 3,793 Contract Asset 2,134 1,893 Contract Liability 5,673 6,031 Accounts receivable, net consist of $6,140 and $3,793 from customers as of January 31, 2024 April 30, 2023 January 31, 2024 April 30, 2023 Contract assets are net of progress payments and performance based payments from our customers totaling $2,134 and $1,893 as of January 31, 2024 April 30, 2023 nine January 31, 2024 nine January 31, 2024 no nine January 31, 2024 January 31, 2024 2025. Contract liabilities decreased $358 during the nine January 31, 2024

Note 6 - Inventory

Note 6 - Inventory	9 Months Ended
Note 6 - Inventory	Jan. 31, 2024
Notes to Financial Statements
Inventory Disclosure [Text Block]	6. Inventories are priced at the lower of cost, determined on a first first Inventory obsolescence is examined on a regular basis. When determining our estimate of obsolescence, we consider inventory that has been inactive for five Inventory is comprised of the following, net of the estimate for obsolete inventory of $275 at January 31, 2024 April 30, 2023 January 31, 2024 April 30, 2023 Parts and raw material $ 6,743 $ 5,704 Work in process 3,734 3,194 Finished goods 60 49 Total Inventory, net of allowance $ 10,537 $ 8,947

Note 7 - Property, Plant and Eq

Note 7 - Property, Plant and Equipment	9 Months Ended
Note 7 - Property, Plant and Equipment	Jan. 31, 2024
Notes to Financial Statements
Property, Plant and Equipment Disclosure [Text Block]	7. Property, plant and equipment is comprised of the following: January 31, 2024 April 30, 2023 Land $ 4,751 $ 4,751 Building and improvements 49,448 47,867 Aircraft 4,046 8,515 Machinery and equipment 6,949 5,547 Office furniture and fixtures 14,448 13,881 Leasehold improvements 4,032 4,032 83,674 84,593 Accumulated depreciation (24,289 ) (25,526 ) Total property, plant and equipment $ 59,385 $ 59,067 Property and Related Depreciation: Machinery and equipment are recorded at cost and depreciated over their estimated useful lives. Depreciation is provided on a straight-line basis. Depreciation expense wa s $3,112 for nine January 31, 2024 $2,882 for th nine January 31, 2023 Description Estimated useful life Building and improvements 39 years or the shorter of the estimated useful life of the asset or the underlying lease term Aircraft 5 years Machinery and equipment 5 years Office furniture and fixtures 5 years Leasehold improvements Shorter of the estimated useful life of the asset or the underlying lease term Maintenance and repairs are charged to expense as incurred. The cost and accumulated depreciation of assets retired are removed from the accounts and any resulting gains or losses are reflected as income or expense.

Note 8 - Use of Estimates

Note 8 - Use of Estimates	9 Months Ended
Note 8 - Use of Estimates	Jan. 31, 2024
Notes to Financial Statements
Use of Estimates [Text Block]	8. The preparation of financial statements in conformity with generally accepted accounting principles (GAAP) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities at the date of the financial statements and the reported amounts of revenue and expenses during the reporting period. Future events and their effects cannot be determined with certainty. Therefore, the determination of estimates requires the exercise of judgment. Actual results could differ from those estimates, and any such differences may

Note 9 - Research and Developme

Note 9 - Research and Development	9 Months Ended
Note 9 - Research and Development	Jan. 31, 2024
Notes to Financial Statements
Research, Development, and Computer Software Disclosure [Text Block]	9. We invested in research and development activities. The amount invested in the nine January 31, 2024 2023

Note 10 - Debt

Note 10 - Debt	9 Months Ended
Note 10 - Debt	Jan. 31, 2024
Notes to Financial Statements
Debt Disclosure [Text Block]	10. At January 31, 2024 te 8.4% t January 31, 2024 January 31, 2024 first second One note with Academy Bank, N.A. fo r $29,422 seven twenty December 2027. second r $8,094 is five 1.0. January 31, 2024 At January 31, 2024 of $826. The interest rate on this note is at SOFR plus 1.75%. The loan is secured by buildings and improvements having a net book value of $619. This note matures in March 2029. At January 31, 2024 , there is a note payable with Bank of America, N.A. with a balance of $379. The interest rate on this note is at SOFR plus 1.75%. This loan is secured by buildings and improvements with a net book value of $668. This note matures in March 2029. At January 31, 2024 , there was a note payable with Patriots Bank with an interest rate of 4.35% totaling $928. This loan is secured by aircraft security agreements with a net book value of $774. This note matures in March 2029. At January 31, 2024 , there is a note payable with an interest rate of 8.13% totaling $36 secured by equipment with a net book value of $36. This note matures in October 2025. We are compliant with the covenants and obligations of each of our notes as of January 31, 2024 March 15, 2024

Note 11 - Other Assets

Note 11 - Other Assets	9 Months Ended
Note 11 - Other Assets	Jan. 31, 2024
Notes to Financial Statements
Intangible Assets Disclosure [Text Block]	11. Our other asset account includes assets of $5,500 related to the Kansas Expanded Lottery Act Management Contract privilege fe e, $7,100 of gaming equipment we were required to pay for ownership by the State of Kansas Lottery, JET autopilot intellectual property of $1,417 and miscellaneous other assets of $127. B $5,500 December 2024. December 15, 2024, 2039, 15 three

Note 12 - Stock Options and Inc

Note 12 - Stock Options and Incentive Plans	9 Months Ended
Note 12 - Stock Options and Incentive Plans	Jan. 31, 2024
Notes to Financial Statements
Share-Based Payment Arrangement [Text Block]	12. In November 2016, 2016 may April 12, 2019, April 11, 2024. March 17, 2020, March 16, 2025. five In July 2022, 2023. In October 2023, For the nine January 31, 2024 nsed $312 and received a benefit from the forfeiture of shares of $401 for a net benefit of $89. For the nine months ended January 31, 2023 , the Company expensed $434 and received a benefit from the forfeiture of shares of $205, for a net expense of $229. Number of Shares Weighted Average Grant Date Fair Value Total shares issued 8,200,000 $ 0.43 Forfeited, in prior periods (100,000 ) $ 0.40 Forfeited, during the year ended April 30, 2023 (875,000 ) $ 0.40 Forfeited, during the nine months ended January 31, 2024 (1,450,000 ) $ 0.40 Total 5,775,000 $ 0.45

Note 13 - Stock Repurchase Prog

Note 13 - Stock Repurchase Program	9 Months Ended
Note 13 - Stock Repurchase Program	Jan. 31, 2024
Notes to Financial Statements
Treasury Stock [Text Block]	13. In July 2023, July 31, 2025. The table below provides information with respect to common stock purchases by the Company through January 31, 2024 Period Total Number of Shares Purchased Average Price Paid per Share Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs Approximate Dollar Value of Shares That May Yet Be Purchased Under the Plans or Programs Shares purchased in prior periods 3,290,426 $ 0.40 3,290,426 $ 2,655 Quarter ended July 31, 2022 (a) 1,639 $ 0.84 1,639 $ 2,653 Quarter ended October 31, 2022 (a) 150 $ 0.70 150 $ 2,653 Quarter ended January 31, 2023 (a) 85,307 $ 0.68 85,307 $ 2,595 Quarter ended April 30, 2023 (a) 2,000 $ 0.68 2,000 $ 2,594 Increase in program authorization July 2023 - $ - - $ 7,594 Quarter ended July 31, 2023 (a) 6,863,789 $ 0.73 6,863,789 $ 2,560 Quarter ended October 31, 2023 (a) 2,300 $ 0.73 2,300 $ 2,558 Quarter ended January 31, 2024 (a) 24,744 $ 0.73 24,744 $ 2,540 Total 10,270,355 $ 0.63 10,270,355 (a) These shares of common stock were purchased through a private transaction

Note 14 - Lease Right-to-use

Note 14 - Lease Right-to-use	9 Months Ended
Note 14 - Lease Right-to-use	Jan. 31, 2024
Notes to Financial Statements
Lessee, Finance Leases [Text Block]	14. We lease hangars and office space with initial lease terms of five, forty fifty January 31, 2024 Lease right-to-use assets $ 3,781 Less accumulated depreciation 842 Total $ 2,939 Future minimum lease payments for assets under finance leases at January 31, 2024 2025 $ 177 2026 115 2027 118 2028 120 2029 122 Thereafter 12,736 Total minimum lease payments 13,388 Less amount representing interest 9,969 Present value of net minimum lease payments 3,419 Less current maturities of lease liability 63 Lease liability, net of current maturities $ 3,356 Finance lease costs at January 31, 2024 January 31, 2023 January 31, 2024 January 31, 2023 Finance lease cost: Amortization of right-of-use assets $ 142 $ 141 Interest on lease liabilities 140 141 Total finance lease cost $ 282 $ 282 January 31, 2024 January 31, 2023 Weighted average remaining lease term - Financing leases (in years) 44 46 Weighted average discount rate - Financing leases 5.8 % 5.8 %

Note 15 - Acquisition

Note 15 - Acquisition	9 Months Ended
Note 15 - Acquisition	Jan. 31, 2024
Notes to Financial Statements
Business Combination Disclosure [Text Block]	15. In September 2023, March 2024, September 2024. January 31, 2024 The following table summarizes the purchase price and accounting for this transaction: Purchase price summary: Cash paid at closing $ 2,375 Present value of final escrow liability 228 Present value of earn-out liability 257 $ 2,860 Accounting summary: Building $ 1,510 Equipment 930 Intangibles 205 Inventory 230 Other (15 ) $ 2,860

Note 16 - Segment Reporting and

Note 16 - Segment Reporting and Sales by Major Customer	9 Months Ended
Note 16 - Segment Reporting and Sales by Major Customer	Jan. 31, 2024
Notes to Financial Statements
Segment Reporting Disclosure [Text Block]	16. Industry Segmentation Current Activities - two Aerospace Products: Aircraft Modifications principally includes the modification of customer and Company owned business-size aircraft for specific operations or special missions such as addition of aerial photography capabilities, mapping, environmental research, search and rescue, and ISR modifications. We provide these services through our subsidiary, Avcon Industries, Inc. ("Aircraft Modifications" or "Avcon"). Special mission electronics principally includes the manufacture, sale, and service of electronics upgrades for classic weapon control systems used on civilian and military aircraft and vehicles. Ruggedized electrical fabrication is another recognized specialty. We provide the products through our subsidiary, Butler National Corporation - Tempe, Arizona. Butler Avionics sells, installs and repairs aircraft avionics equipment (airplane radio equipment and flight control systems). These systems are flight display systems which include intuitive touchscreen controls with large display that enhance pilot situational awareness and give users unprecedented access to high-resolution terrain mapping, graphical flight planning, geo-referenced charting, traffic display, satellite weather and much more. Butler Avionics is also recognized nationwide for its troubleshooting and repair work particularly on autopilot systems. Professional Services: Butler National Service Corporation ("BNSC") and its wholly owned subsidiary BHCMC, LLC provide management services to the Boot Hill Casino, a "state-owned casino". Three Months Ended January 31, 2024 Gaming Aircraft Modification Aircraft Avionics Special Mission Electronics Other Total Revenues from customers $ 9,929 $ 5,402 $ 810 $ 2,807 $ 12 $ 18,960 Interest expense 536 57 - 16 6 615 Depreciation and amortization 756 683 7 32 31 1,509 Operating income (loss) 3,059 546 30 1,375 (1,215 ) 3,795 Three Months Ended January 31, 2023 Gaming Aircraft Modification Aircraft Avionics Special Mission Electronics Other Total Revenues from customers $ 9,472 $ 7,188 $ 679 $ 3,023 $ 102 $ 20,464 Interest expense 590 63 - 14 10 677 Depreciation and amortization 687 584 3 36 74 1,384 Operating income (loss) 2,997 1,485 (101 ) 1,384 (2,380 ) 3,385 Nine Months Ended January 31, 2024 Gaming Aircraft Modification Aircraft Avionics Special Mission Electronics Other Total Revenues from customers $ 28,687 $ 16,967 $ 2,332 $ 7,696 $ 64 $ 55,746 Interest expense 1,623 173 - 48 25 1,869 Depreciation and amortization 2,235 2,121 13 94 95 4,558 Operating income (loss) 8,139 267 (26 ) 3,578 (3,427 ) 8,531 Nine Months Ended January 31, 2023 Gaming Aircraft Modification Aircraft Avionics Special Mission Electronics Other Total Revenues from customers $ 28,014 $ 16,902 $ 1,917 $ 7,994 $ 266 $ 55,093 Interest expense 1,854 195 - 32 26 2,107 Depreciation and amortization 2,017 1,968 8 111 219 4,323 Operating income (loss) 8,578 2,363 (214 ) 3,451 (5,166 ) 9,012 Our Chief Operating Decision Maker (CODM) does not Major Customers: 10 Nine Months Ended January 31, 2024 Nine Months Ended January 31, 2023 Aerospace Products – two customers in the nine months ended January 31, 2024, two customers in the nine months ended January 31, 2023 21.9 % 24.8 % Professional Services - - In the nine January 31, 2024 27.3% of total revenue from five four

Note 17 - Subsequent Events

Note 17 - Subsequent Events	9 Months Ended
Note 17 - Subsequent Events	Jan. 31, 2024
Notes to Financial Statements
Subsequent Events [Text Block]	17. In March 2024, January 31, 2024 not

Insider Trading Arrangements

Insider Trading Arrangements	3 Months Ended	9 Months Ended
Insider Trading Arrangements	Jan. 31, 2024	Jan. 31, 2024
Insider Trading Arr Line Items
Material Terms of Trading Arrangement [Text Block]		5. OTHER INFORMATION. None
Rule 10b5-1 Arrangement Adopted [Flag]	false
Non-Rule 10b5-1 Arrangement Adopted [Flag]	false
Rule 10b5-1 Arrangement Terminated [Flag]	false
Non-Rule 10b5-1 Arrangement Terminated [Flag]	false

Note 4 - Disaggregation of Re_2

Note 4 - Disaggregation of Revenue (Tables)	9 Months Ended
Note 4 - Disaggregation of Revenue (Tables)	Jan. 31, 2024
Notes Tables
Disaggregation of Revenue [Table Text Block]	Three Months Ended January 31, 2024 Three Months Ended January 31, 2023 Professional Services Aerospace Products Total Professional Services Aerospace Products Total Geographical Markets North America $ 9,941 $ 5,163 $ 15,104 $ 9,574 $ 8,258 $ 17,832 Europe - 2,255 2,255 - 90 90 Asia - 876 876 92 92 Australia and Other - 725 725 - 2,450 2,450 $ 9,941 $ 9,019 $ 18,960 $ 9,574 $ 10,890 $ 20,464 Major Product Lines Casino Gaming Revenue $ 7,319 $ - $ 7,319 $ 7,210 $ - $ 7,210 Sportsbook Revenue 1,457 - 1,457 1,160 - 1,160 Casino Non-Gaming Revenue 1,153 - 1,153 1,102 - 1,102 Professional Services 12 - 12 102 - 102 Aircraft Modification - 5,402 5,402 - 7,188 7,188 Aircraft Avionics - 810 810 - 679 679 Special Mission Electronics - 2,807 2,807 - 3,023 3,023 $ 9,941 $ 9,019 $ 18,960 $ 9,574 $ 10,890 $ 20,464 Contract Types / Revenue Recognition Timing Percentage of completion contracts $ - $ 4,756 $ 4,756 $ - $ 6,875 $ 6,875 Goods or services transferred at a point of sale 9,941 4,263 14,204 9,574 4,015 13,589 $ 9,941 $ 9,019 $ 18,960 $ 9,574 $ 10,890 $ 20,464 Nine Months Ended January 31, 2024 Nine Months Ended January 31, 2023 Professional Services Aerospace Products Total Professional Services Aerospace Products Total Geographical Markets North America $ 28,751 $ 19,347 $ 48,098 $ 28,280 $ 22,553 $ 50,833 Europe - 3,873 3,873 - 396 396 Asia - 1,235 1,235 - 503 503 Australia and Other - 2,540 2,540 - 3,361 3,361 $ 28,751 $ 26,995 $ 55,746 $ 28,280 $ 26,813 $ 55,093 Major Product Lines Casino Gaming Revenue $ 21,816 $ - $ 21,816 $ 22,745 $ - $ 22,745 Sportsbook Revenue 3,471 - 3,471 1,985 - 1,985 Casino Non-Gaming Revenue 3,400 - 3,400 3,284 - 3,284 Professional Services 64 - 64 266 - 266 Aircraft Modification - 16,967 16,967 - 16,902 16,902 Aircraft Avionics - 2,332 2,332 - 1,917 1,917 Special Mission Electronics - 7,696 7,696 - 7,994 7,994 $ 28,751 $ 26,995 $ 55,746 $ 28,280 $ 26,813 $ 55,093 Contract Types / Revenue Recognition Timing Percentage of completion contracts $ - $ 15,369 $ 15,369 $ - $ 15,750 $ 15,750 Goods or services transferred at a point of sale 28,751 11,626 40,377 28,280 11,063 39,343 $ 28,751 $ 26,995 $ 55,746 $ 28,280 $ 26,813 $ 55,093

Note 5 - Accounts Receivable,_2

Note 5 - Accounts Receivable, Net, Contract Asset and Contract Liability (Tables)	9 Months Ended
	Jan. 31, 2024
Notes Tables
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]	January 31, April 30, 2024 2023 Accounts Receivable, net $ 6,140 $ 3,793 Contract Asset 2,134 1,893 Contract Liability 5,673 6,031

Note 6 - Inventory (Tables)

Note 6 - Inventory (Tables)	9 Months Ended
Note 6 - Inventory (Tables)	Jan. 31, 2024
Notes Tables
Schedule of Inventory, Current [Table Text Block]	January 31, 2024 April 30, 2023 Parts and raw material $ 6,743 $ 5,704 Work in process 3,734 3,194 Finished goods 60 49 Total Inventory, net of allowance $ 10,537 $ 8,947

Note 7 - Property, Plant and _2

Note 7 - Property, Plant and Equipment (Tables)	9 Months Ended
Note 7 - Property, Plant and Equipment (Tables)	Jan. 31, 2024
Notes Tables
Property, Plant and Equipment [Table Text Block]	January 31, 2024 April 30, 2023 Land $ 4,751 $ 4,751 Building and improvements 49,448 47,867 Aircraft 4,046 8,515 Machinery and equipment 6,949 5,547 Office furniture and fixtures 14,448 13,881 Leasehold improvements 4,032 4,032 83,674 84,593 Accumulated depreciation (24,289 ) (25,526 ) Total property, plant and equipment $ 59,385 $ 59,067
Schedule of Useful Life of Property, Plant, and Equipment [Table Text Block]	Description Estimated useful life Building and improvements 39 years or the shorter of the estimated useful life of the asset or the underlying lease term Aircraft 5 years Machinery and equipment 5 years Office furniture and fixtures 5 years Leasehold improvements Shorter of the estimated useful life of the asset or the underlying lease term

Note 12 - Stock Options and I_2

Note 12 - Stock Options and Incentive Plans (Tables)	9 Months Ended
Note 12 - Stock Options and Incentive Plans (Tables)	Jan. 31, 2024
Notes Tables
Share-Based Payment Arrangement, Option, Activity [Table Text Block]	Number of Shares Weighted Average Grant Date Fair Value Total shares issued 8,200,000 $ 0.43 Forfeited, in prior periods (100,000 ) $ 0.40 Forfeited, during the year ended April 30, 2023 (875,000 ) $ 0.40 Forfeited, during the nine months ended January 31, 2024 (1,450,000 ) $ 0.40 Total 5,775,000 $ 0.45

Note 13 - Stock Repurchase Pr_2

Note 13 - Stock Repurchase Program (Tables)	9 Months Ended
Note 13 - Stock Repurchase Program (Tables)	Jan. 31, 2024
Notes Tables
Class of Treasury Stock [Table Text Block]	Period Total Number of Shares Purchased Average Price Paid per Share Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs Approximate Dollar Value of Shares That May Yet Be Purchased Under the Plans or Programs Shares purchased in prior periods 3,290,426 $ 0.40 3,290,426 $ 2,655 Quarter ended July 31, 2022 (a) 1,639 $ 0.84 1,639 $ 2,653 Quarter ended October 31, 2022 (a) 150 $ 0.70 150 $ 2,653 Quarter ended January 31, 2023 (a) 85,307 $ 0.68 85,307 $ 2,595 Quarter ended April 30, 2023 (a) 2,000 $ 0.68 2,000 $ 2,594 Increase in program authorization July 2023 - $ - - $ 7,594 Quarter ended July 31, 2023 (a) 6,863,789 $ 0.73 6,863,789 $ 2,560 Quarter ended October 31, 2023 (a) 2,300 $ 0.73 2,300 $ 2,558 Quarter ended January 31, 2024 (a) 24,744 $ 0.73 24,744 $ 2,540 Total 10,270,355 $ 0.63 10,270,355

Note 14 - Lease Right-to-use (T

Note 14 - Lease Right-to-use (Tables)	9 Months Ended
Note 14 - Lease Right-to-use (Tables)	Jan. 31, 2024
Notes Tables
Lessee, Finance Lease, Right of Use Assets [Table Text Block]	January 31, 2024 Lease right-to-use assets $ 3,781 Less accumulated depreciation 842 Total $ 2,939
Finance Lease, Liability, to be Paid, Maturity [Table Text Block]	2025 $ 177 2026 115 2027 118 2028 120 2029 122 Thereafter 12,736 Total minimum lease payments 13,388 Less amount representing interest 9,969 Present value of net minimum lease payments 3,419 Less current maturities of lease liability 63 Lease liability, net of current maturities $ 3,356
Lease, Cost [Table Text Block]	January 31, 2024 January 31, 2023 Finance lease cost: Amortization of right-of-use assets $ 142 $ 141 Interest on lease liabilities 140 141 Total finance lease cost $ 282 $ 282 January 31, 2024 January 31, 2023 Weighted average remaining lease term - Financing leases (in years) 44 46 Weighted average discount rate - Financing leases 5.8 % 5.8 %

Note 15 - Acquisition (Tables)

Note 15 - Acquisition (Tables)	9 Months Ended
Note 15 - Acquisition (Tables)	Jan. 31, 2024
Notes Tables
Schedule of Business Acquisitions, by Acquisition [Table Text Block]	Purchase price summary: Cash paid at closing $ 2,375 Present value of final escrow liability 228 Present value of earn-out liability 257 $ 2,860 Accounting summary: Building $ 1,510 Equipment 930 Intangibles 205 Inventory 230 Other (15 ) $ 2,860

Note 16 - Segment Reporting a_2

Note 16 - Segment Reporting and Sales by Major Customer (Tables)	9 Months Ended
	Jan. 31, 2024
Notes Tables
Schedule of Segment Reporting Information, by Segment [Table Text Block]	Three Months Ended January 31, 2024 Gaming Aircraft Modification Aircraft Avionics Special Mission Electronics Other Total Revenues from customers $ 9,929 $ 5,402 $ 810 $ 2,807 $ 12 $ 18,960 Interest expense 536 57 - 16 6 615 Depreciation and amortization 756 683 7 32 31 1,509 Operating income (loss) 3,059 546 30 1,375 (1,215 ) 3,795 Three Months Ended January 31, 2023 Gaming Aircraft Modification Aircraft Avionics Special Mission Electronics Other Total Revenues from customers $ 9,472 $ 7,188 $ 679 $ 3,023 $ 102 $ 20,464 Interest expense 590 63 - 14 10 677 Depreciation and amortization 687 584 3 36 74 1,384 Operating income (loss) 2,997 1,485 (101 ) 1,384 (2,380 ) 3,385 Nine Months Ended January 31, 2024 Gaming Aircraft Modification Aircraft Avionics Special Mission Electronics Other Total Revenues from customers $ 28,687 $ 16,967 $ 2,332 $ 7,696 $ 64 $ 55,746 Interest expense 1,623 173 - 48 25 1,869 Depreciation and amortization 2,235 2,121 13 94 95 4,558 Operating income (loss) 8,139 267 (26 ) 3,578 (3,427 ) 8,531 Nine Months Ended January 31, 2023 Gaming Aircraft Modification Aircraft Avionics Special Mission Electronics Other Total Revenues from customers $ 28,014 $ 16,902 $ 1,917 $ 7,994 $ 266 $ 55,093 Interest expense 1,854 195 - 32 26 2,107 Depreciation and amortization 2,017 1,968 8 111 219 4,323 Operating income (loss) 8,578 2,363 (214 ) 3,451 (5,166 ) 9,012
Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]	Nine Months Ended January 31, 2024 Nine Months Ended January 31, 2023 Aerospace Products – two customers in the nine months ended January 31, 2024, two customers in the nine months ended January 31, 2023 21.9 % 24.8 % Professional Services - -

Note 3 - Revenue Recognition__2

Note 3 - Revenue Recognition: ASC Topic 606, "Revenue From Contracts With Customers" (Details Textual)	9 Months Ended
	Jan. 31, 2024
Period for Payment Due (Day)	30 days

Note 4 - Disaggregation of Re_3

Note 4 - Disaggregation of Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2024	Jan. 31, 2023
Revenues from customers	$ 18,960	$ 20,464	$ 55,746	$ 55,093
Percentage of Completion Contracts [Member]
Revenues from customers	4,756	6,875	15,369	15,750
Transferred at Point in Time [Member]
Revenues from customers	14,204	13,589	40,377	39,343
Casino [Member]
Revenues from customers	7,319	7,210	21,816	22,745
Sportsbook [Member]
Revenues from customers	1,457	1,160	3,471	1,985
Casino Non-gaming [Member]
Revenues from customers	1,153	1,102	3,400	3,284
Professional Services [Member]
Revenues from customers	12	102	64	266
Aircraft Modification [Member]
Revenues from customers	5,402	7,188	16,967	16,902
Aircraft Avionics [Member]
Revenues from customers	810	679	2,332	1,917
Special Mission Electronics [Member]
Revenues from customers	2,807	3,023	7,696	7,994
Professional Services [Member]
Revenues from customers	9,941	9,574	28,751	28,280
Professional Services [Member] \| Percentage of Completion Contracts [Member]
Revenues from customers	0	0	0	0
Professional Services [Member] \| Transferred at Point in Time [Member]
Revenues from customers	9,941	9,574	28,751	28,280
Professional Services [Member] \| Casino [Member]
Revenues from customers	7,319	7,210	21,816	22,745
Professional Services [Member] \| Sportsbook [Member]
Revenues from customers	1,457	1,160	3,471	1,985
Professional Services [Member] \| Casino Non-gaming [Member]
Revenues from customers	1,153	1,102	3,400	3,284
Professional Services [Member] \| Professional Services [Member]
Revenues from customers	12	102	64	266
Professional Services [Member] \| Aircraft Modification [Member]
Revenues from customers	0	0	0	0
Professional Services [Member] \| Aircraft Avionics [Member]
Revenues from customers	0	0	0	0
Professional Services [Member] \| Special Mission Electronics [Member]
Revenues from customers	0	0	0	0
Aerospace Products [Member]
Revenues from customers	9,019	10,890	26,995	26,813
Aerospace Products [Member] \| Percentage of Completion Contracts [Member]
Revenues from customers	4,756	6,875	15,369	15,750
Aerospace Products [Member] \| Transferred at Point in Time [Member]
Revenues from customers	4,263	4,015	11,626	11,063
Aerospace Products [Member] \| Casino [Member]
Revenues from customers	0	0	0	0
Aerospace Products [Member] \| Sportsbook [Member]
Revenues from customers	0	0	0	0
Aerospace Products [Member] \| Casino Non-gaming [Member]
Revenues from customers	0	0	0	0
Aerospace Products [Member] \| Professional Services [Member]
Revenues from customers	0	0	0	0
Aerospace Products [Member] \| Aircraft Modification [Member]
Revenues from customers	5,402	7,188	16,967	16,902
Aerospace Products [Member] \| Aircraft Avionics [Member]
Revenues from customers	810	679	2,332	1,917
Aerospace Products [Member] \| Special Mission Electronics [Member]
Revenues from customers	2,807	3,023	7,696	7,994
North America [Member]
Revenues from customers	15,104	17,832	48,098	50,833
North America [Member] \| Professional Services [Member]
Revenues from customers	9,941	9,574	28,751	28,280
North America [Member] \| Aerospace Products [Member]
Revenues from customers	5,163	8,258	19,347	22,553
Europe [Member]
Revenues from customers	2,255	90	3,873	396
Europe [Member] \| Professional Services [Member]
Revenues from customers	0	0	0	0
Europe [Member] \| Aerospace Products [Member]
Revenues from customers	2,255	90	3,873	396
Asia [Member]
Revenues from customers	876	92	1,235	503
Asia [Member] \| Professional Services [Member]
Revenues from customers	0		0	0
Asia [Member] \| Aerospace Products [Member]
Revenues from customers	876	92	1,235	503
Australia and Other [Member]
Revenues from customers	725	2,450	2,540	3,361
Australia and Other [Member] \| Professional Services [Member]
Revenues from customers	0	0	0	0
Australia and Other [Member] \| Aerospace Products [Member]
Revenues from customers	$ 725	$ 2,450	$ 2,540	$ 3,361

Note 5 - Accounts Receivable,_3

Note 5 - Accounts Receivable, Net, Contract Asset and Contract Liability (Details Textual) - USD ($) $ in Thousands	9 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Apr. 30, 2023
Accounts Receivable, after Allowance for Credit Loss	$ 6,140		$ 3,793
Accounts Receivable, Allowance for Credit Loss	205		205
Contract with Customer, Asset, after Allowance for Credit Loss	2,134		$ 1,893
Increase (Decrease) in Contract with Customer, Asset	241	$ 1,252
Increase (Decrease) in Contract with Customer, Liability	$ (358)	$ 4,043

Note 5 - Accounts Receivable,_4

Note 5 - Accounts Receivable, Net, Contract Asset and Contract Liability - Accounts Receivable, Net, Contract Asset and Contract Liability (Details) - USD ($) $ in Thousands	Jan. 31, 2024	Apr. 30, 2023
Accounts Receivable, net	$ 6,140	$ 3,793
Contract Asset	2,134	1,893
Contract Liability	$ 5,673	$ 6,031

Note 6 - Inventory (Details Tex

Note 6 - Inventory (Details Textual) - USD ($) $ in Thousands	9 Months Ended
	Jan. 31, 2024	Apr. 30, 2023
Duration During Which Inventory If Inactive Taken as Obsolete (Year)	5 years
Inventory Valuation Reserves	$ 275	$ 275

Note 6 - Inventory - Schedule o

Note 6 - Inventory - Schedule of Inventory (Details) - USD ($) $ in Thousands	Jan. 31, 2024	Apr. 30, 2023
Parts and raw material	$ 6,743	$ 5,704
Work in process	3,734	3,194
Finished goods	60	49
Total Inventory, net of allowance	$ 10,537	$ 8,947

Note 7 - Property, Plant and _3

Note 7 - Property, Plant and Equipment (Details Textual) - USD ($) $ in Thousands	9 Months Ended
	Jan. 31, 2024	Jan. 31, 2023
Depreciation	$ 3,112	$ 2,882

Note 7 - Property, Plant, and E

Note 7 - Property, Plant, and Equipment - Schedule of Property, Plant, and Equipment (Details) - USD ($) $ in Thousands	Jan. 31, 2024	Apr. 30, 2023
Property, plant, and equipment, gross	$ 83,674	$ 84,593
Accumulated depreciation	(24,289)	(25,526)
Total property, plant and equipment	59,385	59,067
Land [Member]
Property, plant, and equipment, gross	4,751	4,751
Building and Building Improvements [Member]
Property, plant, and equipment, gross	49,448	47,867
Aircraft [Member]
Property, plant, and equipment, gross	4,046	8,515
Machinery and Equipment [Member]
Property, plant, and equipment, gross	6,949	5,547
Furniture and Fixtures [Member]
Property, plant, and equipment, gross	14,448	13,881
Leasehold Improvements [Member]
Property, plant, and equipment, gross	$ 4,032	$ 4,032

Note 7 - Property, Plant, and_2

Note 7 - Property, Plant, and Equipment - Schedule of Property and Related Depreciation (Details)	Jan. 31, 2024
Building and Building Improvements [Member]
Useful life (Year)	39 years
Aircraft [Member]
Useful life (Year)	5 years
Machinery and Equipment [Member]
Useful life (Year)	5 years
Furniture and Fixtures [Member]
Useful life (Year)	5 years

Note 9 - Research and Develop_2

Note 9 - Research and Development (Details Textual) - USD ($) $ in Thousands	9 Months Ended
	Jan. 31, 2024	Jan. 31, 2023
Research and Development Expense	$ 2,184	$ 2,335

Note 10 - Debt (Details Textual

Note 10 - Debt (Details Textual) $ in Thousands	9 Months Ended
Note 10 - Debt (Details Textual) $ in Thousands	Jan. 31, 2024 USD ($)
Line of Credit Facility, Interest Rate at Period End	8.40%
Line of Credit Facility, Maximum Borrowing Capacity	$ 2,000
Line of Credit Facility, Remaining Borrowing Capacity	2,000
Long-Term Line of Credit	0
Notes Collateralized by BHCMC's Assets and Compensation Due under State Management Contract Due December 2027 [Member]
Notes Payable	$ 29,422
Debt Instrument, Interest Rate, Stated Percentage	5.32%
Debt Instrument, Term (Year)	7 years
Debt Instrument, Convertible, Remaining Discount Amortization Period (Year)	20 years
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid	$ 19,250
Notes Collateralized by BHCMC's Assets and Compensation Due under State Management Contract Due October 2026 [Member]
Notes Payable	$ 8,094
Debt Instrument, Interest Rate, Stated Percentage	5.75%
Debt Instrument, Term (Year)	5 years
Debt Instrument, Covenant, Debt Service Coverage Ratio	1.3
Debt Instrument, Aggregate Unrestricted Cash Requirement	$ 1,500
Note One Collateralized by Real Estate Due March 2029 [Member]
Notes Payable	$ 826
Debt Instrument, Interest Rate, Stated Percentage	1.75%
Debt Instrument, Collateral Amount	$ 619
Note Two Collateralized by Real Estate Due March 2029 [Member]
Notes Payable	$ 379
Debt Instrument, Interest Rate, Stated Percentage	1.75%
Debt Instrument, Collateral Amount	$ 668
Note Collateralized by Aircraft Security Agreement [Member] \| Patriots Bank [Member]
Notes Payable	$ 928
Debt Instrument, Interest Rate, Stated Percentage	4.35%
Debt Instrument, Collateral Amount	$ 774
Note Collateralized by Equipment Due October 2025 [Member]
Notes Payable	$ 36
Debt Instrument, Interest Rate, Stated Percentage	8.13%
Debt Instrument, Collateral Amount	$ 36

Note 11 - Other Assets (Details

Note 11 - Other Assets (Details Textual) $ in Thousands	Jan. 31, 2024 USD ($)
Kansas Expanded Lottery Act Contract Privilege [Member]
Finite-Lived Intangible Assets, Gross	$ 5,500
Gaming Equipment [Member]
Finite-Lived Intangible Assets, Gross	$ 7,100
Finite-Lived Intangible Asset, Useful Life (Year)	3 years
JET Autopilot Intellectual Property [Member]
Finite-Lived Intangible Assets, Gross	$ 1,417
Other Miscellaneous Long-Term Assets [Member]
Finite-Lived Intangible Assets, Gross	$ 127

Note 12 - Stock Options and I_3

Note 12 - Stock Options and Incentive Plans (Details Textual) - USD ($) $ / shares in Units, $ in Thousands			1 Months Ended		9 Months Ended
	Mar. 17, 2020	Apr. 12, 2019	Oct. 31, 2023	Jul. 31, 2022	Jan. 31, 2024	Jan. 31, 2023	Nov. 30, 2016
Share-Based Payment Arrangement, Expense					$ 312	$ 434
Shares Issued, Value, Share-Based Payment Arrangement, Forfeited					401	205
Share-Based Payment Arrangement, Expense, Tax Benefit					$ 89	$ 229
Butler National Corporation 2016 Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)							12,500,000
Stock Issued During Period, Value, Restricted Stock Award, Gross	$ 2,000	$ 950
Butler National Corporation 2016 Equity Incentive Plan [Member] \| Director [Member]
Stock Issued During Period, Shares, Issued for Services (in shares)			300,000	400,000
Shares Issued, Price Per Share (in dollars per share)			$ 0.74	$ 0.88
Stock Issued During Period, Value, Issued for Services			$ 222	$ 352
Butler National Corporation 2016 Equity Incentive Plan [Member] \| Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)	5,000,000	2,500,000
Share Price (in dollars per share)	$ 0.41	$ 0.38
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)		5 years

Note 12 - Stock Options and I_4

Note 12 - Stock Options and Incentive Plans - Restricted Stock Options Activity (Details) - $ / shares	9 Months Ended	12 Months Ended	37 Months Ended
	Jan. 31, 2024	Apr. 30, 2023	Apr. 30, 2022
Outstanding, shares (in shares)			8,200,000
Outstanding, weighted average fair value (in dollars per share)			$ 0.43
Forfeited, shares (in shares)	(1,450,000)	(875,000)	(100,000)
Forfeited, weighted average fair value (in dollars per share)	$ 0.4	$ 0.4	$ 0.4
Outstanding, shares (in shares)	5,775,000
Outstanding, weighted average fair value (in dollars per share)	$ 0.45

Note 13 - Stock Repurchase Pr_3

Note 13 - Stock Repurchase Program (Details Textual) - USD ($) $ in Millions	Jul. 20, 2023	Apr. 30, 2023
Stock Repurchase Program, Authorized Amount	$ 9	$ 4

Note 13 - Stock Repurchase Pr_4

Note 13 - Stock Repurchase Program - Schedule of Stock Purchases (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended												72 Months Ended	90 Months Ended
	Oct. 31, 2023		Jul. 31, 2023		Apr. 30, 2023	[1]	Jan. 31, 2023	[1]	Oct. 31, 2022	[1]	Jul. 31, 2022	[1]	Apr. 30, 2022	Oct. 31, 2023
Number of Shares Purchased (in shares)	2,300	[1]	6,863,789	[1]	2,000		85,307		150		1,639		3,290,426	10,270,355
Average Price Paid per Share (in dollars per share)			$ 0.73	[1]	$ 0.68		$ 0.68		$ 0.7		$ 0.84		$ 0.4	$ 0.63
Number of Shares Purchased as Part of Publicly Announced Plans or Programs (in shares)	2,300		6,863,789	[1]	2,000		85,307		150		1,639		3,290,426	10,270,355
Approximate Dollar Value of Shares That May Yet Be Purchased Under the Plan or Programs	$ 2,558		$ 2,560	[1]	$ 2,594		$ 2,595		$ 2,653		$ 2,653		$ 2,655	$ 2,558
Increase in Program Authorization [Member]
Approximate Dollar Value of Shares That May Yet Be Purchased Under the Plan or Programs			$ 7,594

[1]These shares of common stock were purchased through a private transaction

Note 14 - Lease Right-to-use (D

Note 14 - Lease Right-to-use (Details Textual)	Jan. 31, 2024
Casino, Hangar, and Office Space, Two [Member]
Lessee, Finance Lease, Term of Contract (Year)	46 years
Casino, Hangar, and Office Space, Three [Member]
Lessee, Finance Lease, Term of Contract (Year)	50 years

Note 14 - Lease Right-to-use -

Note 14 - Lease Right-to-use - Finance Lease Right-of-use Assets (Details) - USD ($) $ in Thousands	Jan. 31, 2024	Apr. 30, 2023
Lease right-to-use assets	$ 3,781
Less accumulated depreciation	842
Total	$ 2,939	$ 3,081

Note 14 - Lease Right-to-use _2

Note 14 - Lease Right-to-use - Future Minimum Lease Payments (Details) - USD ($) $ in Thousands	Jan. 31, 2024	Apr. 30, 2023
2025	$ 177
2026	115
2027	118
2028	120
2029	122
Thereafter, Finance Lease	12,736
Total minimum lease payments, Finance Lease	13,388
Less amount representing interest	9,969
Present value of net minimum lease payments	3,419
Less current maturities of lease liability	63	$ 145
Lease liability, net of current maturities	$ 3,356	$ 3,330

Note 14 - Lease Right-to-use _3

Note 14 - Lease Right-to-use - Lease Cost (Details) - USD ($) $ in Thousands	9 Months Ended
	Jan. 31, 2024	Jan. 31, 2023
Amortization of right-of-use assets	$ 142	$ 141
Interest on lease liabilities	140	141
Total finance lease cost	$ 282	$ 282
Weighted average remaining lease term - Financing leases (in years) (Year)	44 years	46 years
Weighted average discount rate - Financing leases	5.80%	5.80%

Note 15 - Acquisition (Details

Note 15 - Acquisition (Details Textual) - KC Machine [Member] $ in Thousands	1 Months Ended
	Sep. 30, 2023 USD ($)
Business Combination, Consideration Transferred	$ 2,860
Payments to Acquire Businesses, Gross	2,375
Earn Out Liability [Member]
Business Combination, Consideration Transferred, Liabilities Incurred	$ 257

Note 15 - Acquisition - Schedul

Note 15 - Acquisition - Schedule of Acquisition (Details) - KC Machine [Member] $ in Thousands	1 Months Ended
	Sep. 30, 2023 USD ($)
Cash paid at closing	$ 2,375
Business Combination, Consideration Transferred	2,860
Building	1,510
Equipment	930
Intangibles	205
Inventory	230
Other	(15)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	2,860
Final Purchase Agreement Liability [Member]
Present value of final escrow liability	228
Earn Out Liability [Member]
Present value of final escrow liability	$ 257

Note 16 - Segment Reporting a_3

Note 16 - Segment Reporting and Sales by Major Customer (Details Textual)	9 Months Ended
	Jan. 31, 2024
Number of Operating Segments	2
Customer Concentration Risk [Member] \| Revenue Benchmark [Member] \| The Five Aerospace Customers [Member]
Concentration Risk, Percentage	27.30%
Number of Major Customers	5
Customer Concentration Risk [Member] \| Revenue Benchmark [Member] \| Top Customer [Member]
Concentration Risk, Percentage	13.80%
Customer Concentration Risk [Member] \| Revenue Benchmark [Member] \| Next Top Four Customers [Member] \| Minimum [Member]
Concentration Risk, Percentage	1.60%
Customer Concentration Risk [Member] \| Revenue Benchmark [Member] \| Next Top Four Customers [Member] \| Maximum [Member]
Concentration Risk, Percentage	8.10%

Note 16 - Segment Reporting a_4

Note 16 - Segment Reporting and Sales by Major Customer - Professional Services (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2024	Jan. 31, 2023
Revenues from customers	$ 18,960	$ 20,464	$ 55,746	$ 55,093
Interest expense	615	677	1,869	2,107
Depreciation and amortization	1,509	1,384	4,558	4,323
Operating income (loss)	3,795	3,385	8,531	9,012
Gaming [Member]
Revenues from customers	9,929	9,472	28,687	28,014
Interest expense	536	590	1,623	1,854
Depreciation and amortization	756	687	2,235	2,017
Operating income (loss)	3,059	2,997	8,139	8,578
Aircraft Modification [Member]
Revenues from customers	5,402	7,188	16,967	16,902
Interest expense	57	63	173	195
Depreciation and amortization	683	584	2,121	1,968
Operating income (loss)	546	1,485	267	2,363
Aircraft Avionics [Member]
Revenues from customers	810	679	2,332	1,917
Interest expense	0	0	0	0
Depreciation and amortization	7	3	13	8
Operating income (loss)	30	(101)	(26)	(214)
Special Mission Electronics [Member]
Revenues from customers	2,807	3,023	7,696	7,994
Interest expense	16	14	48	32
Depreciation and amortization	32	36	94	111
Operating income (loss)	1,375	1,384	3,578	3,451
Product and Service, Other [Member]
Revenues from customers	12	102	64	266
Interest expense	6	10	25	26
Depreciation and amortization	31	74	95	219
Operating income (loss)	$ (1,215)	$ (2,380)	$ (3,427)	$ (5,166)

Note 16 - Segment Reporting a_5

Note 16 - Segment Reporting and Sales by Major Customer - Schedule of Revenue by Major Customers by Reporting Segments (Details) - Revenue Benchmark [Member] - Customer Concentration Risk [Member]	9 Months Ended
	Jan. 31, 2024	Jan. 31, 2023
Aerospace Products [Member]
Concentration risk percentage	21.90%	24.80%
Professional Services [Member]
Concentration risk percentage	0%	0%

Note 17 - Subsequent Events (De

Note 17 - Subsequent Events (Details Textual) - USD ($) $ in Thousands	1 Months Ended	9 Months Ended
	Mar. 31, 2024	Jan. 31, 2024	Jan. 31, 2023
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property		$ 4,169	$ 0
Land and Land Improvements [Member] \| Subsequent Event [Member]
Property, Plant and Equipment, Disposals	$ 579
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property	$ 19