LiqTech International (LIQT) 10-Q14 Aug 242024 Q2 Quarterly reportFinancial data

Company Profile

Document And Entity Information

Document And Entity Information - shares	6 Months Ended
Document And Entity Information - shares	Jun. 30, 2024	Aug. 14, 2024
Document Information [Line Items]
Entity Central Index Key	0001307579
Entity Registrant Name	LIQTECH INTERNATIONAL INC
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2024
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2024
Document Transition Report	false
Entity File Number	001-36210
Entity Incorporation, State or Country Code	NV
Entity Tax Identification Number	20-1431677
Entity Address, Address Line One	Industriparken 22C
Entity Address, Postal Zip Code	DK 2750
Entity Address, City or Town	Ballerup
Entity Address, Country	DK
City Area Code	45
Local Phone Number	3131 5941
Title of 12(b) Security	Common Stock, $0.001 par value
Trading Symbol	LIQT
Security Exchange Name	NASDAQ
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		5,819,272

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Jun. 30, 2024	Dec. 31, 2023
Current Assets:
Cash and restricted cash	$ 5,489,776	$ 10,422,181
Accounts receivable, net	2,804,625	3,171,047
Inventories, net	5,620,247	5,267,816
Contract assets	2,878,573	2,891,744
Prepaid expenses and other current assets	389,181	337,391
Total Current Assets	17,182,402	22,090,179
Long-Term Assets:
Property and equipment, net	6,935,852	9,007,166
Operating lease right-of-use assets	3,657,512	4,055,837
Deposits and other assets	517,123	470,349
Intangible assets, net	60,128	114,593
Goodwill	226,285	233,723
Total Long-Term Assets	11,396,900	13,881,668
Total Assets	28,579,302	35,971,847
Current Liabilities:
Accounts payable	1,813,943	2,444,653
Accrued expenses	3,189,439	3,550,542
Current portion of finance lease liabilities	446,425	590,550
Current portion of operating lease liabilities	476,298	531,355
Contract liabilities	333,505	382,647
Total Current Liabilities	6,259,610	7,499,747
Deferred tax liability	69,535	101,059
Finance lease liabilities, net of current portion	1,809,424	2,879,932
Operating lease liabilities, net of current portion	3,181,843	3,527,082
Notes payable, net	4,984,642	4,688,011
Total Long-term Liabilities	10,045,444	11,196,084
Total Liabilities	16,305,054	18,695,831
Stockholders' Equity:
Preferred stock; par value $0.001, 2,500,000 shares authorized, 0 shares issued and outstanding at June 30, 2024 and December 31, 2023	0	0
Common stock; par value $0.001, 50,000,000 shares authorized, 5,819,272 and 5,727,310 shares issued and outstanding at June 30, 2024 and December 31, 2023, respectively	5,819	5,727
Additional paid-in capital	99,051,263	98,796,357
Accumulated deficit	(80,422,175)	(75,922,180)
Accumulated other comprehensive loss	(6,360,659)	(5,603,888)
Total Stockholders’ Equity	12,274,248	17,276,016
Total Liabilities and Stockholders’ Equity	$ 28,579,302	$ 35,971,847

Condensed Consolidated Balanc_2

Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares	Jun. 30, 2024	Dec. 31, 2023
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, authorized (in shares)	2,500,000	2,500,000
Preferred stock, issued (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, authorized (in shares)	50,000,000	50,000,000
Common stock, issued (in shares)	5,819,272	5,727,310
Common stock, outstanding (in shares)	5,819,272	5,727,310

Condensed Consolidated Statemen

Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenues	$ 4,485,062	$ 4,990,019	$ 8,720,406	$ 9,001,538
Cost of goods sold	3,767,851	3,827,491	7,732,093	7,447,668
Gross Profit	717,211	1,162,528	988,313	1,553,870
Operating Expenses:
Selling expenses	855,122	1,028,225	1,372,701	2,210,660
General and administrative expenses	1,541,316	1,377,483	3,086,047	2,436,432
Research and development expenses	407,292	359,784	662,104	702,403
Total Operating Expenses	2,803,730	2,765,492	5,120,852	5,349,495
Loss from Operations	(2,086,519)	(1,602,964)	(4,132,539)	(3,795,625)
Other Income (Expense)
Interest and other income	45,744	116,545	114,830	168,218
Interest expense	(29,290)	(45,898)	(101,009)	(57,899)
Amortization of debt discount	(150,591)	(86,790)	(296,631)	(171,318)
Gain (loss) on currency transactions	84,462	49,494	339,998	(116,784)
Gain (loss) on disposal of property and equipment	10,344	0	(453,233)	0
Total Other Income (Expense)	(39,331)	33,351	(396,045)	(177,783)
Loss Before Income Taxes	(2,125,850)	(1,569,613)	(4,528,584)	(3,973,408)
Income tax benefit	14,150	14,321	28,589	28,613
Net Loss	$ (2,111,700)	$ (1,555,292)	$ (4,499,995)	$ (3,944,795)
Loss Per Common Share – Basic and Diluted (in dollars per share)	$ (0.36)	$ (0.27)	$ (0.77)	$ (0.7)
Weighted-Average Common Shares Outstanding – Basic and Diluted (in shares)	5,808,127	5,660,007	5,806,480	5,656,809

Condensed Consolidated Statem_2

Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Net loss	$ (2,111,700)	$ (1,555,292)	$ (4,499,995)	$ (3,944,795)
Loss on foreign currency translation	(213,191)	(99,792)	(756,771)	308,804
Total Comprehensive Loss	$ (2,324,891)	$ (1,655,084)	$ (5,256,766)	$ (3,635,991)

Condensed Consolidated Statem_3

Condensed Consolidated Statement of Stockholders' Equity (Unaudited) - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
BALANCE (in shares) at Dec. 31, 2022	5,498,260
BALANCE at Dec. 31, 2022	$ 5,498	$ 96,975,476	$ (67,351,035)	$ (6,320,567)	$ 23,309,372
Common stock issued in settlement of RSUs (in shares)	160,670
Common stock issued in settlement of RSUs	$ 161	(161)
Stock-based compensation		157,173			157,173
Loss on foreign currency translation	$ 0	0	0	408,596	408,596
Net loss			(2,389,503)		(2,389,503)
BALANCE (in shares) at Mar. 31, 2023	5,658,930
BALANCE at Mar. 31, 2023	$ 5,659	97,132,488	(69,740,538)	(5,911,971)	21,485,638
BALANCE (in shares) at Dec. 31, 2022	5,498,260
BALANCE at Dec. 31, 2022	$ 5,498	96,975,476	(67,351,035)	(6,320,567)	23,309,372
Loss on foreign currency translation					308,804
Net loss					(3,944,795)
BALANCE (in shares) at Jun. 30, 2023	5,700,226
BALANCE at Jun. 30, 2023	$ 5,700	97,326,371	(71,295,830)	(6,011,763)	20,024,478
BALANCE (in shares) at Mar. 31, 2023	5,658,930
BALANCE at Mar. 31, 2023	$ 5,659	97,132,488	(69,740,538)	(5,911,971)	21,485,638
Common stock issued in settlement of RSUs (in shares)	24,500
Common stock issued in settlement of RSUs	$ 24	(24)
Stock-based compensation		193,924			193,924
Loss on foreign currency translation	$ 0	0	0	(99,792)	(99,792)
Net loss			(1,555,292)		(1,555,292)
Fractional shares from individual shareholder round-up following reverse split (in shares)	16,796
Fractional shares from individual shareholder round-up following reverse split	$ 17	(17)	0	0	0
BALANCE (in shares) at Jun. 30, 2023	5,700,226
BALANCE at Jun. 30, 2023	$ 5,700	97,326,371	(71,295,830)	(6,011,763)	20,024,478
BALANCE (in shares) at Dec. 31, 2023	5,727,310
BALANCE at Dec. 31, 2023	$ 5,727	98,796,357	(75,922,180)	(5,603,888)	17,276,016
Common stock issued in settlement of RSUs (in shares)	110,028
Common stock issued in settlement of RSUs	$ 110	(110)
Tax withholdings paid related to stock-based compensation (in shares)	(29,998)
Tax withholdings paid related to stock-based compensation	$ (30)	30
Stock-based compensation		193,321			193,321
Loss on foreign currency translation	$ 0	0	0	(543,580)	(543,580)
Net loss			(2,388,295)		(2,388,295)
BALANCE (in shares) at Mar. 31, 2024	5,807,340
BALANCE at Mar. 31, 2024	$ 5,807	98,989,598	(78,310,475)	(6,147,468)	14,537,462
BALANCE (in shares) at Dec. 31, 2023	5,727,310
BALANCE at Dec. 31, 2023	$ 5,727	98,796,357	(75,922,180)	(5,603,888)	17,276,016
Loss on foreign currency translation					(756,771)
Net loss					(4,499,995)
BALANCE (in shares) at Jun. 30, 2024	5,819,272
BALANCE at Jun. 30, 2024	$ 5,819	99,051,263	(80,422,175)	(6,360,659)	12,274,248
BALANCE (in shares) at Mar. 31, 2024	5,807,340
BALANCE at Mar. 31, 2024	$ 5,807	98,989,598	(78,310,475)	(6,147,468)	14,537,462
Common stock issued in settlement of RSUs (in shares)	11,932
Common stock issued in settlement of RSUs	$ 12	(12)
Tax withholdings paid related to stock-based compensation	0	(104,940)	0	0	(104,940)
Stock-based compensation		166,617			166,617
Loss on foreign currency translation	$ 0	0	0	(213,191)	(213,191)
Net loss			(2,111,700)		(2,111,700)
BALANCE (in shares) at Jun. 30, 2024	5,819,272
BALANCE at Jun. 30, 2024	$ 5,819	$ 99,051,263	$ (80,422,175)	$ (6,360,659)	$ 12,274,248

Condensed Consolidated Statem_4

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Cash Flows from Operating Activities:
Net loss	$ (4,499,995)	$ (3,944,795)
Adjustments to reconcile net loss to net cash used in operations:
Depreciation and amortization	1,067,312	1,250,299
Amortization of discount on notes payable	296,631	171,318
Stock-based compensation	359,938	351,097
Amortization of right-of-use assets	271,926	279,983
Deferred taxes	(28,589)	(28,613)
Gain on disposal of property and equipment	453,233	0
Changes in assets and liabilities:
Accounts receivable	268,143	(606,781)
Inventories	(525,240)	(289,557)
Contract assets	(79,639)	(113,442)
Prepaid expenses and other current assets	(227,077)	(1,061,699)
Accounts payable	(562,014)	548,581
Accrued expenses	(263,144)	(135,214)
Operating lease liabilities	(273,833)	(279,983)
Contract liabilities	(37,331)	60,584
Assets held for sale	0	41,534
Net Cash used in Operating Activities	(3,779,679)	(3,756,688)
Cash Flows from Investing Activities:
Purchases of property and equipment	(612,090)	(290,468)
Proceeds from the disposal of property and equipment	945,261	0
Net Cash provided by (used in) Investing Activities	333,171	(290,468)
Cash Flows from Financing Activities:
Repayments of finance lease liabilities	(1,115,153)	(200,095)
Net Cash used in Financing Activities	(1,115,153)	(200,095)
Effect of Foreign Currency exchange on cash	(370,744)	244,569
Net Change in Cash and Restricted Cash	(4,932,405)	(4,002,682)
Cash and Restricted Cash at Beginning of Period	10,422,181	16,597,371
Cash and Restricted Cash at End of Period	5,489,776	12,594,689
Supplemental Disclosures of Cash Flow Information:
Cash paid for interest	97,769	81,192
Cash paid for income taxes	0	0
Non-cash financing activities
Financed purchases of property and equipment	$ 83,378	$ 0

Note 1 - Basis of Presentation

Note 1 - Basis of Presentation and Other Information	6 Months Ended
Note 1 - Basis of Presentation and Other Information	Jun. 30, 2024
Notes to Financial Statements
Significant Accounting Policies [Text Block]	NOTE 1 BASIS OF PRESENTATION AND OTHER INFORMATION The accompanying unaudited condensed consolidated financial statements of LiqTech International, Inc. (the “Company”) have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) for interim financial information and with the instructions to Form 10 X. not December 31, 2023 not no December 31, 2023 10 March 22, 2024. 10 three six June 30, 2024 not may December 31, 2024. Recently Issued Accounting Pronouncements In November 2023, 2023 07, Segment Reporting (Topic 280 2023 07 December 15, 2023, December 15, 2024, In December 2023, 2023 09, Income Taxes (Topic 740 1 2 2023 09 December 15, 2025, The Company currently believes there are no not

Note 2 - Liquidity and Going Co

Note 2 - Liquidity and Going Concern Assessmemt	6 Months Ended
Note 2 - Liquidity and Going Concern Assessmemt	Jun. 30, 2024
Notes to Financial Statements
Substantial Doubt about Going Concern [Text Block]	NOTE 2 LIQUIDITY AND GOING CONCERN ASSESSMENT Management assesses liquidity and going concern uncertainty in the Company’s consolidated financial statements to determine whether there is sufficient cash on hand and working capital, including available borrowings on loans, to operate for a period of at least one As of June 30, 2024, The Company has incurred significant recent losses, which raises substantial doubt about the ability of the Company to continue as a going concern for a period of one no The accompanying condensed consolidated financial statements have been prepared assuming the Company will continue as a going concern, which contemplates the realization of assets and satisfaction of liabilities in the normal course of business. The accompanying consolidated financial statements do not may may may may

Note 3 - Disaggregation of Reve

Note 3 - Disaggregation of Revenues and Segment Reporting	6 Months Ended
Note 3 - Disaggregation of Revenues and Segment Reporting	Jun. 30, 2024
Notes to Financial Statements
Disaggregation of Revenues and Segment Reporting [Text Block]	NOTE 3 DISAGGREGATION OF REVENUES AND SEGMENT REPORTING The Company operates in three reportable segments: Water, Ceramics and Plastics. The Company sells products throughout the world, and sales by geographical region are as follows for the three six June 30, 2024 2023: For the Three Months For the Six Months Ended June 30, Ended June 30, 2024 2023 2024 2023 Americas $ 329,711 $ 441,186 $ 1,526,908 $ 774,717 Asia-Pacific 92,535 650,095 435,496 1,101,989 Europe 3,285,925 3,119,496 5,936,840 6,219,282 Middle East & Africa 776,891 779,242 821,162 905,550 Total consolidated Revenue $ 4,485,062 $ 4,990,019 $ 8,720,406 $ 9,001,538 The Company’s sales by segment are as follows for the three six June 30, 2024 2023: For the Three Months For the Six Months Ended June 30, Ended June 30, 2024 2023 2024 2023 Water $ 1,870,625 $ 2,070,298 $ 3,419,291 $ 3,505,217 Ceramics 1,665,138 1,789,465 3,471,474 3,198,837 Plastics 949,299 1,127,455 1,829,641 2,294,683 Corporate - 2,801 - 2,801 Total consolidated Revenue $ 4,485,062 $ 4,990,019 $ 8,720,406 $ 9,001,538 The Company’s income and total assets segment are as follows: For the Three Months For the Six Months Ended Ended June 30, June 30, 2024 2023 2024 2023 Income (Loss) Water $ (254,251 ) $ 2,439 $ (688,739 ) $ (461,036 ) Ceramics (340,160 ) (439,090 ) (1,318,834 ) (1,000,774 ) Plastics (240,414 ) (67,272 ) (240,413 ) (133,333 ) Corporate (1,276,875 ) (1,051,369 ) (1,978,241 ) (2,349,652 ) Total consolidated Loss (2,111,700 ) (1,555,292 ) (4,499,995 ) (3,944,795 ) As of Total Assets June 30, 2024 December 31, 2023 Water $ 8,702,209 $ 9,432,991 Ceramics 13,060,929 14,550,872 Plastics 723,729 759,745 Corporate 6,092,435 11,228,239 Total consolidated Assets $ 28,579,302 $ 35,971,847

Note 4 - Accounts Receivable

Note 4 - Accounts Receivable	6 Months Ended
Note 4 - Accounts Receivable	Jun. 30, 2024
Notes to Financial Statements
Accounts and Nontrade Receivable [Text Block]	NOTE 4 ACCOUNTS RECEIVABLE Accounts receivable consisted of the following on June 30, 2024, December 31, 2023: June 30, 2024 December 31, 2023 Trade accounts receivable $ 3,016,377 $ 3,305,959 Allowance for doubtful accounts (211,752 ) (134,912 ) Total accounts receivable, net $ 2,804,625 $ 3,171,047 The roll-forward of the allowance for doubtful accounts for the periods ended June 30, 2024 December 31, 2023 June 30, 2024 December 31, 2023 Allowance for doubtful accounts at the beginning of the period $ 134,912 $ 59,559 Bad debt expense 81,940 82,066 Receivables written off during the periods - (10,298 ) Effect of currency translation (5,100 ) 3,585 Allowance for doubtful accounts at the end of the period $ 211,752 $ 134,912

Note 5 - Inventories

Note 5 - Inventories	6 Months Ended
Note 5 - Inventories	Jun. 30, 2024
Notes to Financial Statements
Inventory Disclosure [Text Block]	NOTE 5 INVENTORIES Inventories consisted of the following on June 30, 2024, December 31, 2023: June 30, 2024 December 31, 2023 Furnace parts and supplies $ 45,789 $ 55,177 Raw materials 3,329,036 3,301,526 Work in process 1,647,283 1,271,458 Finished goods and filtration systems 1,627,439 1,507,113 Reserve for obsolescence (939,300 ) (867,458 ) Total inventories, net $ 5,620,247 $ 5,267,816 Inventory valuation adjustments for excess and obsolete inventory are calculated based on current inventory levels, movements, expected useful lives, and estimated future demand for the products.

Note 6 - Contract Assets and Co

Note 6 - Contract Assets and Contract Liabilities	6 Months Ended
Note 6 - Contract Assets and Contract Liabilities	Jun. 30, 2024
Notes to Financial Statements
Contract with Customer, Contract Asset, Contract Liability [Text Block]	NOTE 6 CONTRACT ASSETS AND CONTRACT LIABILITIES The roll-forward of Contract assets and contract liabilities for the periods ended June 30, 2024 December 31, 2023 June 30, 2024 December 31, 2023 Cost incurred $ 3,028,377 $ 3,225,728 Unbilled project deliveries 730,026 582,557 VAT 136,491 329,980 Other receivables 78,803 92,619 Prepayments (1,407,098 ) (1,688,427 ) Deferred Revenue (21,531 ) (33,360 ) $ 2,545,068 $ 2,509,097 Distributed as follows: Contract assets $ 2,878,573 $ 2,891,744 Contract liabilities (333,505 ) (382,647 ) $ 2,545,068 $ 2,509,097

Note 7 - Leases

Note 7 - Leases	6 Months Ended
Note 7 - Leases	Jun. 30, 2024
Notes to Financial Statements
Lessee, Operating and Finance Leases [Text Block]	NOTE 7 LEASES The Company leases certain vehicles, real property, production equipment and office equipment under lease agreements. The Company evaluates each lease to determine its appropriate classification as an operating lease or finance lease for financial reporting purposes. The majority of our operating leases are non-cancelable leases for production and office space in Hobro, Aarhus, and Copenhagen, Denmark. During the six June 30, 2024, During the six June 30, 2024, Supplemental balance sheet information related to leases as of June 30, 2024 December 31, 2023 June 30, 2024 December 31, 2023 Operating leases Operating lease right-of-use assets $ 3,657,512 $ 4,055,837 Operating lease liabilities – current $ 476,298 $ 531,355 Operating lease liabilities – long-term 3,181,843 3,527,082 Total operating lease liabilities $ 3,658,141 $ 4,058,437 Finance leases Property and equipment, at cost $ 3,967,874 $ 5,443,287 Accumulated depreciation (1,016,026 ) (877,578 ) Property and equipment, net $ 2,951,848 $ 4,565,709 Finance lease liabilities – current $ 446,425 $ 590,550 Finance lease liabilities – long-term 1,809,424 2,879,932 Total finance lease liabilities $ 2,255,849 $ 3,470,482 Weighted average remaining lease term: Operating leases 7.8 8.3 Finance leases 3.6 4.3 Weighted average discount rate: Operating leases 6.7 % 6.7 % Finance leases 5.5 % 6.0 % Maturities of lease liabilities at June 30, 2024 Operating Leases Finance Leases 2024 (remaining 6 months) $ 361,787 $ 291,681 2025 680,530 579,039 2026 670,110 543,792 2027 670,110 1,051,729 2028 548,356 74,670 Thereafter 1,752,882 125,869 Total payment under lease agreements 4,683,775 2,666,780 Less imputed interest (1,025,634 ) (410,931 ) Total lease liabilities $ 3,658,141 $ 2,255,849

Note 8 - Long-term Debt

Note 8 - Long-term Debt	6 Months Ended
Note 8 - Long-term Debt	Jun. 30, 2024
Notes to Financial Statements
Long-Term Debt [Text Block]	NOTE 8 LONG-TERM DEBT The components of notes payable are as follows: June 30, 2024 December 31, 2023 Senior Promissory Notes $ 6,000,000 6,000,000 Less: unamortized debt discount (1,015,358 ) (1,311,989 ) Senior Promissory Notes payable $ 4,984,642 $ 4,688,011 Current portion of Senior Promissory Notes payable - - Senior Promissory Notes payable, less current portion 4,984,642 4,688,011 Senior Promissory Notes payable $ 4,984,642 $ 4,688,011 For the three June 30, 2024 2023, For the six June 30, 2024 2023,

Note 9 - Agreements and Commitm

Note 9 - Agreements and Commitments	6 Months Ended
Note 9 - Agreements and Commitments	Jun. 30, 2024
Notes to Financial Statements
Commitments and Contingencies Disclosure [Text Block]	NOTE 9 AGREEMENTS AND COMMITMENTS Contingencies may Product Warranties one three may In addition, the Company sells an extended warranty for certain systems, which generally provides a warranty for up to four The Company periodically assesses the adequacy of its recorded warranty liabilities and adjusts the amounts as necessary. Factors that affect the warranty liability include the number of units sold, historical and anticipated rates of warranty claims and the cost per claim. Changes in the Company’s current and long-term warranty obligations included in accrued expenses on the balance sheet, as of June 30, 2024 December 31, 2023, June 30, 2024 December 31, 2023 Balance at January 1 $ 629,100 $ 898,072 Warranty costs charged to cost of goods sold 85,835 115,401 Utilization charges against reserve (13,946 ) (408,234 ) Foreign currency effect (20,727 ) 23,861 Balance at the end of the period $ 680,262 $ 629,100

Note 10 - Stockholders' Equity

Note 10 - Stockholders' Equity	6 Months Ended
Note 10 - Stockholders' Equity	Jun. 30, 2024
Notes to Financial Statements
Equity [Text Block]	NOTE 10 STOCKHOLDERS EQUITY Common Stock June 30, 2024 December 31, 2023, Stock Issuances During the six June 30, 2024, On January 3, 2024, 2023. December 31, 2023. On January 3, 2024, 2023. December 31, 2023. On June 24, 2024, 2023 2024. 2023 2024. Warrants The following is a summary of the periodic changes in warrants outstanding for the six June 30, 2024 2023: 2024 2023 Outstanding, December 31 5,021,354 4,490,104 Warrants issued in connection with public offering and private placement - - Exercises and conversions - - Outstanding, June 30 5,021,354 4,490,104 Stock-based Compensation In 2013, June 30, 2024, one In 2022, “2022 2022 June 30, 2024, 2022 The Company recognizes compensation costs for RSU grants to Directors and management based on the stock price on the date of the grant. The Company recognized stock-based compensation expense related to RSU grants of $166,617 and $193,924 for the three June 30, 2024 2023, six June 30, 2024, 2023, June 30, 2024, A summary of the status of the RSUs as of June 30, 2024 June 30, 2024 Number of units Weighted Average Fair value Aggregated Intrinsic Outstanding, December 31, 2023 314,461 $ 3.46 $ - Granted 311,154 3.20 - Vested and settled with share issuance (121,960 ) (3.28 ) - Forfeited (98,102 ) (3.54 ) - Outstanding, June 30, 2024 405,553 $ 3.30 $ -

Note 11 - Loss Per Share

Note 11 - Loss Per Share	6 Months Ended
Note 11 - Loss Per Share	Jun. 30, 2024
Notes to Financial Statements
Earnings Per Share [Text Block]	NOTE 11 LOSS PER SHARE Basic and diluted net income (loss) per common share is determined by dividing net income (loss) by the weighted average number of shares of common stock outstanding during the period. For the periods where there is a net loss, stock options, warrants and RSUs have been excluded from the calculation of diluted net loss per common share because their effect would be anti-dilutive. Consequently, the weighted average number of shares of Common Stock used to calculate both basic and diluted net loss per common share is the same for the reported periods. As of June 30, 2024, As of June 30, 2023,

Note 12 - Significant Customers

Note 12 - Significant Customers and Concentrations	6 Months Ended
Note 12 - Significant Customers and Concentrations	Jun. 30, 2024
Notes to Financial Statements
Concentration Risk Disclosure [Text Block]	NOTE 12 SIGNIFICANT CUSTOMERS AND CONCENTRATIONS The following table presents customers accounting for 10% For the Three Months For the Six Months Ended June 30, Ended June 30, 2024 2023 2024 2023 Customer A 16 % * % * % * % Customer B 10 % * % * % * % Customer C * % 13 % * % * % Customer D * % * % 11 % * % * Zero or less than 10% The following table presents customers accounting for 10% June 30, 2024 December 31, 2023 Customer D 20 % 22 % Customer B 13 % * % Customer E * % 13 % * Zero or less than 10% As of June 30, 2024, December 31, 2023,

Note 13 - Subsequent Events

Note 13 - Subsequent Events	6 Months Ended
Note 13 - Subsequent Events	Jun. 30, 2024
Notes to Financial Statements
Subsequent Events [Text Block]	NOTE 13 SUBSEQUENT EVENTS None

Insider Trading Arrangements

Insider Trading Arrangements	3 Months Ended	6 Months Ended
Insider Trading Arrangements	Jun. 30, 2024	Jun. 30, 2024
Insider Trading Arr Line Items
Material Terms of Trading Arrangement [Text Block]		5. OTHER INFORMATION Insider Trading Plans During the quarter ended June 30, 2024, no 16 10b5 1 10b5 1 408
Rule 10b5-1 Arrangement Adopted [Flag]	false
Rule 10b5-1 Arrangement Terminated [Flag]	false
Non-Rule 10b5-1 Arrangement Adopted [Flag]	false
Non-Rule 10b5-1 Arrangement Terminated [Flag]	false

Significant Accounting Policies

Significant Accounting Policies (Policies)	6 Months Ended
Significant Accounting Policies (Policies)	Jun. 30, 2024
Accounting Policies [Abstract]
Basis of Accounting, Policy [Policy Text Block]	The accompanying unaudited condensed consolidated financial statements of LiqTech International, Inc. (the “Company”) have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) for interim financial information and with the instructions to Form 10 X. not December 31, 2023 not no December 31, 2023 10 March 22, 2024. 10 three six June 30, 2024 not may December 31, 2024.
New Accounting Pronouncements, Policy [Policy Text Block]	Recently Issued Accounting Pronouncements In November 2023, 2023 07, Segment Reporting (Topic 280 2023 07 December 15, 2023, December 15, 2024, In December 2023, 2023 09, Income Taxes (Topic 740 1 2 2023 09 December 15, 2025, The Company currently believes there are no not

Note 3 - Disaggregation of Re_2

Note 3 - Disaggregation of Revenues and Segment Reporting (Tables)	6 Months Ended
	Jun. 30, 2024
Notes Tables
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]	For the Three Months For the Six Months Ended June 30, Ended June 30, 2024 2023 2024 2023 Americas $ 329,711 $ 441,186 $ 1,526,908 $ 774,717 Asia-Pacific 92,535 650,095 435,496 1,101,989 Europe 3,285,925 3,119,496 5,936,840 6,219,282 Middle East & Africa 776,891 779,242 821,162 905,550 Total consolidated Revenue $ 4,485,062 $ 4,990,019 $ 8,720,406 $ 9,001,538
Schedule of Segment Reporting Information, by Segment [Table Text Block]	For the Three Months For the Six Months Ended June 30, Ended June 30, 2024 2023 2024 2023 Water $ 1,870,625 $ 2,070,298 $ 3,419,291 $ 3,505,217 Ceramics 1,665,138 1,789,465 3,471,474 3,198,837 Plastics 949,299 1,127,455 1,829,641 2,294,683 Corporate - 2,801 - 2,801 Total consolidated Revenue $ 4,485,062 $ 4,990,019 $ 8,720,406 $ 9,001,538 For the Three Months For the Six Months Ended Ended June 30, June 30, 2024 2023 2024 2023 Income (Loss) Water $ (254,251 ) $ 2,439 $ (688,739 ) $ (461,036 ) Ceramics (340,160 ) (439,090 ) (1,318,834 ) (1,000,774 ) Plastics (240,414 ) (67,272 ) (240,413 ) (133,333 ) Corporate (1,276,875 ) (1,051,369 ) (1,978,241 ) (2,349,652 ) Total consolidated Loss (2,111,700 ) (1,555,292 ) (4,499,995 ) (3,944,795 ) As of Total Assets June 30, 2024 December 31, 2023 Water $ 8,702,209 $ 9,432,991 Ceramics 13,060,929 14,550,872 Plastics 723,729 759,745 Corporate 6,092,435 11,228,239 Total consolidated Assets $ 28,579,302 $ 35,971,847

Note 4 - Accounts Receivable (T

Note 4 - Accounts Receivable (Tables)	6 Months Ended
Note 4 - Accounts Receivable (Tables)	Jun. 30, 2024
Notes Tables
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]	June 30, 2024 December 31, 2023 Trade accounts receivable $ 3,016,377 $ 3,305,959 Allowance for doubtful accounts (211,752 ) (134,912 ) Total accounts receivable, net $ 2,804,625 $ 3,171,047
Financing Receivable, Allowance for Credit Loss [Table Text Block]	June 30, 2024 December 31, 2023 Allowance for doubtful accounts at the beginning of the period $ 134,912 $ 59,559 Bad debt expense 81,940 82,066 Receivables written off during the periods - (10,298 ) Effect of currency translation (5,100 ) 3,585 Allowance for doubtful accounts at the end of the period $ 211,752 $ 134,912

Note 5 - Inventories (Tables)

Note 5 - Inventories (Tables)	6 Months Ended
Note 5 - Inventories (Tables)	Jun. 30, 2024
Notes Tables
Schedule of Inventory, Current [Table Text Block]	June 30, 2024 December 31, 2023 Furnace parts and supplies $ 45,789 $ 55,177 Raw materials 3,329,036 3,301,526 Work in process 1,647,283 1,271,458 Finished goods and filtration systems 1,627,439 1,507,113 Reserve for obsolescence (939,300 ) (867,458 ) Total inventories, net $ 5,620,247 $ 5,267,816

Note 6 - Contract Assets and _2

Note 6 - Contract Assets and Contract Liabilities (Tables)	6 Months Ended
Note 6 - Contract Assets and Contract Liabilities (Tables)	Jun. 30, 2024
Notes Tables
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]	June 30, 2024 December 31, 2023 Cost incurred $ 3,028,377 $ 3,225,728 Unbilled project deliveries 730,026 582,557 VAT 136,491 329,980 Other receivables 78,803 92,619 Prepayments (1,407,098 ) (1,688,427 ) Deferred Revenue (21,531 ) (33,360 ) $ 2,545,068 $ 2,509,097 Distributed as follows: Contract assets $ 2,878,573 $ 2,891,744 Contract liabilities (333,505 ) (382,647 ) $ 2,545,068 $ 2,509,097

Note 7 - Leases (Tables)

Note 7 - Leases (Tables)	6 Months Ended
Note 7 - Leases (Tables)	Jun. 30, 2024
Notes Tables
Lessee, Operating and Finance Lease, Assets and Liabilities [Table Text Block]	June 30, 2024 December 31, 2023 Operating leases Operating lease right-of-use assets $ 3,657,512 $ 4,055,837 Operating lease liabilities – current $ 476,298 $ 531,355 Operating lease liabilities – long-term 3,181,843 3,527,082 Total operating lease liabilities $ 3,658,141 $ 4,058,437 Finance leases Property and equipment, at cost $ 3,967,874 $ 5,443,287 Accumulated depreciation (1,016,026 ) (877,578 ) Property and equipment, net $ 2,951,848 $ 4,565,709 Finance lease liabilities – current $ 446,425 $ 590,550 Finance lease liabilities – long-term 1,809,424 2,879,932 Total finance lease liabilities $ 2,255,849 $ 3,470,482 Weighted average remaining lease term: Operating leases 7.8 8.3 Finance leases 3.6 4.3 Weighted average discount rate: Operating leases 6.7 % 6.7 % Finance leases 5.5 % 6.0 %
Maturity of Operating and Finance Lease Liabilities [Table Text Block]	Operating Leases Finance Leases 2024 (remaining 6 months) $ 361,787 $ 291,681 2025 680,530 579,039 2026 670,110 543,792 2027 670,110 1,051,729 2028 548,356 74,670 Thereafter 1,752,882 125,869 Total payment under lease agreements 4,683,775 2,666,780 Less imputed interest (1,025,634 ) (410,931 ) Total lease liabilities $ 3,658,141 $ 2,255,849

Note 8 - Long-term Debt (Tables

Note 8 - Long-term Debt (Tables)	6 Months Ended
Note 8 - Long-term Debt (Tables)	Jun. 30, 2024
Notes Tables
Schedule of Debt [Table Text Block]	June 30, 2024 December 31, 2023 Senior Promissory Notes $ 6,000,000 6,000,000 Less: unamortized debt discount (1,015,358 ) (1,311,989 ) Senior Promissory Notes payable $ 4,984,642 $ 4,688,011 Current portion of Senior Promissory Notes payable - - Senior Promissory Notes payable, less current portion 4,984,642 4,688,011 Senior Promissory Notes payable $ 4,984,642 $ 4,688,011

Note 9 - Agreements and Commi_2

Note 9 - Agreements and Commitments (Tables)	6 Months Ended
Note 9 - Agreements and Commitments (Tables)	Jun. 30, 2024
Notes Tables
Schedule of Product Warranty Liability [Table Text Block]	June 30, 2024 December 31, 2023 Balance at January 1 $ 629,100 $ 898,072 Warranty costs charged to cost of goods sold 85,835 115,401 Utilization charges against reserve (13,946 ) (408,234 ) Foreign currency effect (20,727 ) 23,861 Balance at the end of the period $ 680,262 $ 629,100

Note 10 - Stockholders' Equity

Note 10 - Stockholders' Equity (Tables)	6 Months Ended
Note 10 - Stockholders' Equity (Tables)	Jun. 30, 2024
Notes Tables
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]	2024 2023 Outstanding, December 31 5,021,354 4,490,104 Warrants issued in connection with public offering and private placement - - Exercises and conversions - - Outstanding, June 30 5,021,354 4,490,104
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]	June 30, 2024 Number of units Weighted Average Fair value Aggregated Intrinsic Outstanding, December 31, 2023 314,461 $ 3.46 $ - Granted 311,154 3.20 - Vested and settled with share issuance (121,960 ) (3.28 ) - Forfeited (98,102 ) (3.54 ) - Outstanding, June 30, 2024 405,553 $ 3.30 $ -

Note 12 - Significant Custome_2

Note 12 - Significant Customers and Concentrations (Tables)	6 Months Ended
Note 12 - Significant Customers and Concentrations (Tables)	Jun. 30, 2024
Notes Tables
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]	For the Three Months For the Six Months Ended June 30, Ended June 30, 2024 2023 2024 2023 Customer A 16 % * % * % * % Customer B 10 % * % * % * % Customer C * % 13 % * % * % Customer D * % * % 11 % * % June 30, 2024 December 31, 2023 Customer D 20 % 22 % Customer B 13 % * % Customer E * % 13 %

Note 2 - Liquidity and Going _2

Note 2 - Liquidity and Going Concern Assessmemt (Details Textual) - USD ($)	Jun. 30, 2024	Dec. 31, 2023
Cash and Cash Equivalents, at Carrying Value	$ 5,489,776
Working Capital Deficit	10,922,792
Retained Earnings (Accumulated Deficit)	(80,422,175)	$ (75,922,180)
Assets	28,579,302	35,971,847
Liabilities	$ 16,305,054	$ 18,695,831

Note 3 - Disaggregation of Re_3

Note 3 - Disaggregation of Revenues and Segment Reporting (Details Textual)	6 Months Ended
	Jun. 30, 2024
Number of Reportable Segments	3

Note 3 - Disaggregation of Re_4

Note 3 - Disaggregation of Revenues and Segment Reporting - Net Sales by Geographical Region (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenue	$ 4,485,062	$ 4,990,019	$ 8,720,406	$ 9,001,538
Reportable Geographical Components [Member]
Revenue	4,485,062	4,990,019	8,720,406	9,001,538
Americas [Member] \| Reportable Geographical Components [Member]
Revenue	329,711	441,186	1,526,908	774,717
Asia Pacific [Member] \| Reportable Geographical Components [Member]
Revenue	92,535	650,095	435,496	1,101,989
Europe [Member] \| Reportable Geographical Components [Member]
Revenue	3,285,925	3,119,496	5,936,840	6,219,282
Middle East and Africa [Member] \| Reportable Geographical Components [Member]
Revenue	$ 776,891	$ 779,242	$ 821,162	$ 905,550

Note 3 - Disaggregation of Re_5

Note 3 - Disaggregation of Revenues and Segment Reporting - Summary of Segment Activity (Details) - USD ($)	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Revenue	$ 4,485,062		$ 4,990,019		$ 8,720,406	$ 9,001,538
Net loss	(2,111,700)	$ (2,388,295)	(1,555,292)	$ (2,389,503)	(4,499,995)	(3,944,795)
Segment assets	28,579,302				28,579,302		$ 35,971,847
Water Segment [Member]
Net loss	(254,251)		2,439		(688,739)	(461,036)
Segment assets	8,702,209				8,702,209		9,432,991
Water Segment [Member] \| Operating Segments [Member]
Revenue	1,870,625		2,070,298		3,419,291	3,505,217
Ceramics Segment [Member]
Net loss	(340,160)		(439,090)		(1,318,834)	(1,000,774)
Segment assets	13,060,929				13,060,929		14,550,872
Ceramics Segment [Member] \| Operating Segments [Member]
Revenue	1,665,138		1,789,465		3,471,474	3,198,837
Plastics Segment [Member] \| Operating Segments [Member]
Revenue	949,299		1,127,455		1,829,641	2,294,683
Plastic Products [Member]
Net loss	(240,414)		(67,272)		(240,413)	(133,333)
Segment assets	723,729				723,729		759,745
Corporate Segment [Member] \| Operating Segments [Member]
Revenue	0		2,801		0	2,801
Other Operating Segment [Member]
Net loss	(1,276,875)		$ (1,051,369)		(1,978,241)	$ (2,349,652)
Segment assets	$ 6,092,435				$ 6,092,435		$ 11,228,239

Note 4 - Accounts Receivable -

Note 4 - Accounts Receivable - Summary of Accounts Receivables (Details) - USD ($)	Jun. 30, 2024	Dec. 31, 2023	Dec. 31, 2022
Trade accounts receivable	$ 3,016,377	$ 3,305,959
Allowance for doubtful accounts	(211,752)	(134,912)	$ (59,559)
Total accounts receivable, net	$ 2,804,625	$ 3,171,047

Note 4 - Accounts Receivable _2

Note 4 - Accounts Receivable - Allowance for Doubtful Accounts (Details) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Allowance for doubtful accounts at the beginning of the period	$ 134,912	$ 59,559
Bad debt expense	81,940	82,066
Receivables written off during the periods	0	(10,298)
Effect of currency translation	(5,100)	3,585
Allowance for doubtful accounts at the end of the period	$ 211,752	$ 134,912

Note 5 - Inventories - Summary

Note 5 - Inventories - Summary of Inventory (Details) - USD ($)	Jun. 30, 2024	Dec. 31, 2023
Furnace parts and supplies	$ 45,789	$ 55,177
Raw materials	3,329,036	3,301,526
Work in process	1,647,283	1,271,458
Finished goods and filtration systems	1,627,439	1,507,113
Reserve for obsolescence	(939,300)	(867,458)
Total inventories, net	$ 5,620,247	$ 5,267,816

Note 6 - Contract Assets and _3

Note 6 - Contract Assets and Contract Liabilities - Contract Assets and Liabilities (Details) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Cost incurred	$ 3,028,377	$ 3,225,728
Unbilled project deliveries	730,026	582,557
VAT	136,491	329,980
Other receivables	78,803	92,619
Prepayments	(1,407,098)	(1,688,427)
Deferred Revenue	(21,531)	(33,360)
Contract with Customer, Asset (Liability), Net	2,545,068	2,509,097
Contract assets	2,878,573	2,891,744
Contract liabilities	(333,505)	(382,647)
Contract with Customer, Asset (Liability), Net	$ 2,545,068	$ 2,509,097

Note 7 - Leases (Details Textua

Note 7 - Leases (Details Textual)	6 Months Ended
Note 7 - Leases (Details Textual)	Jun. 30, 2024 USD ($)
Operating Lease, Payments	$ 1,186,746
Finance Lease, Principal Payments	400,432
Finance Lease Expense	398,544
Other Expense [Member]
Operating Lease, Payments	$ 91,937

Note 7 - Leases - Balance Sheet

Note 7 - Leases - Balance Sheet Information (Details) - USD ($)	Jun. 30, 2024	Dec. 31, 2023
Operating lease right-of-use assets	$ 3,657,512	$ 4,055,837
Operating lease liabilities – current	476,298	531,355
Operating lease liabilities – long-term	3,181,843	3,527,082
Total operating lease liability	3,658,141	4,058,437
Property and equipment, at cost	3,967,874	5,443,287
Accumulated depreciation	(1,016,026)	(877,578)
Property and equipment, net	2,951,848	4,565,709
Finance lease liabilities – current	446,425	590,550
Finance lease liabilities – long-term	1,809,424	2,879,932
Total finance lease liability	$ 2,255,849	$ 3,470,482
Operating leases (Year)	7 years 9 months 18 days	8 years 3 months 18 days
Finance leases (Year)	3 years 7 months 6 days	4 years 3 months 18 days
Operating leases	6.70%	6.70%
Finance leases	5.50%	6%

Note 7 - Leases - Maturities of

Note 7 - Leases - Maturities of Lease Liabilities (Details) - USD ($)	Jun. 30, 2024	Dec. 31, 2023
2024 (remaining 9 months), operating lease	$ 361,787
2024 (remaining 9 months), financing lease	291,681
2025, operating lease	680,530
2025, financing lease	579,039
2026, operating lease	670,110
2026, financing lease	543,792
2027, operating lease	670,110
2027, financing lease	1,051,729
2028, operating lease	548,356
2028, financing lease	74,670
Thereafter, operating lease	1,752,882
Thereafter, financing lease	125,869
Total payment under operating lease agreements	4,683,775
Total payment under lease agreements	2,666,780
Less imputed interest on operating lease	(1,025,634)
Less imputed interest on finance lease	(410,931)
Total operating lease liability	3,658,141	$ 4,058,437
Total finance lease liability	$ 2,255,849	$ 3,470,482

Note 8 - Long-term Debt (Detail

Note 8 - Long-term Debt (Details Textual) - Senior Promissory Notes [Member] - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Interest Expense, Debt	$ 0	$ 0	$ 0	$ 0
Amortization of Debt Issuance Costs	$ 150,591	$ 86,790	$ 296,631	$ 171,318

Note 8 - Long-term Debt - Notes

Note 8 - Long-term Debt - Notes Payable (Details) - Senior Promissory Notes [Member] - USD ($)	Jun. 30, 2024	Dec. 31, 2023
Senior Promissory Notes	$ 6,000,000	$ 6,000,000
Less: unamortized debt discount	(1,015,358)	(1,311,989)
Senior Promissory Notes payable	4,984,642	4,688,011
Current portion of Senior Promissory Notes payable	0	0
Senior Promissory Notes payable, less current portion	$ 4,984,642	$ 4,688,011

Note 9 - Agreements and Commi_3

Note 9 - Agreements and Commitments (Details Textual)	6 Months Ended
Note 9 - Agreements and Commitments (Details Textual)	Jun. 30, 2024
Minimum [Member]
Standard Product Warranty, Term (Year)	1 year
Maximum [Member]
Standard Product Warranty, Term (Year)	3 years
Extended Product Warranty, Term (Year)	4 years

Note 9 - Agreements and Commi_4

Note 9 - Agreements and Commitments - Changes in Warranty Obligations (Details) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Balance	$ 629,100	$ 898,072
Warranty costs charged to cost of goods sold	85,835	115,401
Utilization charges against reserve	(13,946)	(408,234)
Foreign currency effect	(20,727)	23,861
Balance	$ 680,262	$ 629,100

Note 10 - Stockholders' Equit_2

Note 10 - Stockholders' Equity (Details Textual) - USD ($)			3 Months Ended		6 Months Ended		12 Months Ended
Note 10 - Stockholders' Equity (Details Textual) - USD ($)	Jun. 24, 2024	Jan. 03, 2024	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2013	Dec. 31, 2023
Common Stock, Shares Authorized (in shares)			50,000,000		50,000,000			50,000,000
Common Stock, Par or Stated Value Per Share (in dollars per share)			$ 0.001		$ 0.001			$ 0.001
Common Stock, Shares, Issued (in shares)			5,819,272		5,819,272			5,727,310
Share-Based Payment Arrangement, Amount Withheld for Tax Withholding Obligation			$ 104,940
Common Stock, Shares, Outstanding (in shares)			5,819,272		5,819,272			5,727,310
Restricted Stock Units (RSUs) [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)					311,154
Share-Based Payment Arrangement, Expense			$ 166,617	$ 193,924	$ 359,938	$ 351,097
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount			$ 978,358		$ 978,358
Restricted Stock Units (RSUs) [Member] \| The 2022 Incentive Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)					353,471
Director [Member]
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures (in shares)		24,500
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures		$ 73,500
Director [Member] \| Restricted Stock Units (RSUs) [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)					52,082
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Annual Grant							$ 36,750
Management [Member]
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures (in shares)	11,932	85,528
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	$ 36,750	$ 289,672
Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation (in shares)		29,998
Share-Based Payment Arrangement, Amount Withheld for Tax Withholding Obligation		$ 104,940
Board of Directors Chairman [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Annual Grant							$ 73,500

Note 10 - Stockholders' Equit_3

Note 10 - Stockholders' Equity - Warrants (Details) - shares	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Outstanding, December 31 (in shares)	5,021,354	4,490,104
Warrants issued in connection with public offering and private placement (in shares)	0	0
Exercises and conversions (in shares)	0	0
Outstanding, June 30 (in shares)	5,021,354	4,490,104

Note 10 - Stockholders' Equit_4

Note 10 - Stockholders' Equity - Share Incentive Plan Activity (Details) - Restricted Stock Units (RSUs) [Member] - USD ($)	6 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Outstanding, units (in shares)	314,461
Outstanding, weighted average grant-date fair value (in dollars per share)	$ 3.46
Outstanding, aggregated intrinsic value	$ 0	$ 0
Granted, units (in shares)	311,154
Granted, weighted average grant-date fair value (in dollars per share)	$ 3.2
Vested and settled with share issuance, units (in shares)	(121,960)
Vested and settled with share issuance, weighted average grant-date fair value (in dollars per share)	$ (3.28)
Forfeited, units (in shares)	(98,102)
Forfeited, weighted average grant-date fair value (in dollars per share)	$ (3.54)
Outstanding, units (in shares)	405,553
Outstanding, weighted average grant-date fair value (in dollars per share)	$ 3.3

Note 11 - Loss Per Share (Detai

Note 11 - Loss Per Share (Details Textual) - shares	6 Months Ended
Note 11 - Loss Per Share (Details Textual) - shares	Jun. 30, 2024	Jun. 30, 2023
Restricted Stock Units (RSUs) [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	405,553	341,545
Prefunded Warrants [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	3,930,008	3,930,008
Warrant [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	1,091,346	560,096

Note 12 - Significant Custome_3

Note 12 - Significant Customers and Concentrations (Details Textual) - Geographic Concentration Risk [Member] - Assets, Total [Member]	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
DENMARK
Concentration Risk, Percentage	97%	98%
UNITED STATES
Concentration Risk, Percentage	1%	0%
CHINA
Concentration Risk, Percentage	2%	2%

Note 12 - Significant Custome_4

Note 12 - Significant Customers and Concentrations - Concentration of Risk (Details) - Customer Concentration Risk [Member]	3 Months Ended		6 Months Ended	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Dec. 31, 2023
Revenue Benchmark [Member] \| Customer A [Member]
Concentration Risk, Percentage	16%
Revenue Benchmark [Member] \| Customer D [Member]
Concentration Risk, Percentage			11%
Revenue Benchmark [Member] \| Customer B [Member]
Concentration Risk, Percentage	10%
Revenue Benchmark [Member] \| Customer C [Member]
Concentration Risk, Percentage		13%
Accounts Receivable [Member] \| Customer D [Member]
Concentration Risk, Percentage			20%	22%
Accounts Receivable [Member] \| Customer B [Member]
Concentration Risk, Percentage			13%
Accounts Receivable [Member] \| Customer E [Member]
Concentration Risk, Percentage				13%