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Note F - Resalable Software Licenses Rights - Amortization Expense (Details)
Dec. 31, 2017
USD ($)
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months $ 14,000
Finite-Lived Intangible Assets, Amortization Expense, Year Two 14,000
Finite-Lived Intangible Assets, Amortization Expense, Year Three 14,000
Finite-Lived Intangible Assets, Amortization Expense, Year Four 14,000
Finite-Lived Intangible Assets, Amortization Expense, Year Five 14,000
Finite-Lived Intangible Assets, Amortization Expense, after Year Five 111,000
Licensing Agreements [Member]  
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2,640,000
Finite-Lived Intangible Assets, Amortization Expense, Year Two 3,000,000
Finite-Lived Intangible Assets, Amortization Expense, Year Three 2,400,000
Finite-Lived Intangible Assets, Amortization Expense, Year Four 1,200,000
Finite-Lived Intangible Assets, Amortization Expense, Year Five 720,000
Finite-Lived Intangible Assets, Amortization Expense, after Year Five $ 613,808