Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] | 2. The Company's investments are categorized as current assets. Short-term investments consist of certificates of deposits and treasury bills with maturities of generally three one December 27, 2020 June 28, 2020 December 2 7 , 20 20 Description Fair Value Cost basis Unrealized Gain (Loss) Short-term investments $ 134,251 $ 134,251 $ - Equity securities $ 5,029,019 $ 1,279,914 $ 3,749,105 Mutual funds $ 492,149 $ 479,312 $ 12,837 June 28 , 20 20 Description Fair Value Cost basis Unrealized Gain Short-term investments $ 134,202 $ 134,202 $ - Equity securities $ 4,725,470 $ 1,279,914 $ 3,445,556 Mutual funds $ 490,748 $ 475,179 $ 15,569 The fair values of the Company's investments were determined as follows: December 27, 20 20 Description Quoted Price for Identical Assets (Level 1) Significant Other Observable Inputs (Level 2) Significant Unobservable Inputs (Level 3) Certificates of deposits and Treasury Bills $ - $ 134,251 $ - Equity securities 5,029,019 - - Mutual funds 492,149 - - Total $ 5,521,168 $ 134,251 $ - June 28 , 20 20 Description Quoted Price for Identical Assets (Level 1) Significant Other Observable Inputs (Level 2) Significant Unobservable Inputs (Level 3) Certificates of deposits $ - $ 134,202 $ - Equity securities 4,725,470 - - Mutual funds 490,748 - - Total $ 5,216,218 $ 134,202 $ - The equity securities portfolio includes the following stocks: AT&T shares 82,112 Manulife shares 2,520 Uniti shares 815 NCR shares 774 Teradata shares 774 Vodafone shares 6,471 Lumen Technologies shares 4,398 Frontier Communications shares 300 T-Mobile shares 4,102 Verizon shares 31,904 Windstream shares 135 The Mutual fund included in the table above is Vanguard GNMA Admiral Shares #536 |