Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] | 2. Investments The Company’s investments are categorized as available-for-sale. Short-term investments consist of certificates of deposits with maturities of generally three months to one year. Equity securities consist primarily of telecommunications stocks. Mutual funds consist of federal agency mortgage backed securities (Ginnie Mae). The fair value of the Company’s investments at March 27, 2016 and June 28, 2015 were as follows: March 27 , 201 6 Description Fair Value Cost basis Unrealized Gain Short-term investments $ 133,795 $ 133,795 $ - Equity securities $ 5,495,517 $ 1,285,759 $ 4,209,758 Mutual funds $ 2,772,185 $ 2,697,081 $ 75,104 Ju ne 28, 201 5 Description Fair Value Cost basis Unrealized Gain Short-term investments $ 133,729 $ 133,729 $ - Equity securities $ 5,190,387 $ 1,285,759 $ 3,904,628 Mutual funds $ 3,676,005 $ 3,617,991 $ 58,014 The fair values of the Company’s investments were determined as follows: March 27, 2016 Description Quoted Price for Identical Assets (Level 1) Significant Other Observable Inputs (Level 2) Significant Unobservable Inputs (Level 3) Certificates of deposits $ - $ 133,795 $ - Equity securities 5,495,517 - - Mutual funds 2,772,185 - - Total $ 8,267,702 $ 133,795 $ - June 28, 2015 Description Quoted Price for Identical Assets (Level 1) Significant Other Observable Inputs (Level 2) Significant Unobservable Inputs (Level 3) Certificates of deposits $ - $ 133,729 $ - Equity securities 5,190,387 - - Mutual funds 3,676,005 - - Total $ 8,866,392 $ 133,729 $ - The common stocks included in the equity securities portfolio as of March 27, 2016 were: AT&T 82,112 Manulife 2,520 DexMedia 412 NCR 774 Teradata 774 Vodafone 6,471 CenturyLink 4,398 Frontier Communications shares 4,508 Sprint 40,000 Verizon 31,904 Windstream 679 CSAL shares 815 The Mutual fund included in the table above is Vanguard GNMA Admiral Shares #536 fund. The fair value of certificates of deposits is estimated using present value techniques and comparing the values derived from those techniques to certificates with similar values. |