Note Q - Stockholders' Equity - Balances and Conversion of Preferred Shares and Accrued Dividends (Details) - USD ($)	1 Months Ended					3 Months Ended						12 Months Ended
	May 31, 2018	Apr. 30, 2018	Mar. 31, 2018	Oct. 31, 2017	Sep. 30, 2017	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2017	Dec. 31, 2019	Dec. 31, 2016
Series A-1 Convertible Preferred Stock [Member]
Balance (in shares)								62,596				62,596		90,000
Balance								$ 236,658				$ 236,658		$ 270,000
Accrual of dividends						$ 25,463	$ 93,894	$ 101,658	$ 135,000	$ 135,000	$ 135,000
Conversion into common stock (in shares)	(23,508)	(39,088)		(27,404)
Conversion into common stock	$ (25,463)	$ (330,552)			$ (540,000)							$ (540,000)
Series B-1 Convertible Preferred Stock [Member]
Balance (in shares)								105,000				105,000		105,000
Balance								$ 393,750				$ 393,750		$ 131,250
Accrual of dividends						$ 16,408	$ 62,268	$ 65,625	$ 65,625	$ 65,625	$ 65,625
Conversion into common stock (in shares)	(44,580)		(60,420)
Conversion into common stock	$ (55,342)		$ (417,084)