Note C - Stockholders' Equity (Details Textual) - USD ($)	1 Months Ended	6 Months Ended
	Jan. 31, 1995	Dec. 31, 2019	Jun. 30, 2019
Preferred Stock, Shares Authorized		496,000,000	496,000,000
Minimum [Member]
Proceeds From Public Offering Required for Mandatory Conversion		$ 1,000,000
Share Price		$ 1
Convertible Preferred Stock [Member]
Preferred Stock, Shares Authorized	4,000,000	4,000,000	4,000,000
Preferred Stock, Dividend Rate, Per-Dollar-Amount	$ 0.10
Dividends, Preferred Stock, Total		$ 0
Preferred Stock, Amount of Preferred Dividends in Arrears		$ 378,952
Convertible Preferred Stock, Shares Issued upon Conversion		1