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Note B - Revenue From Contracts With Customers - Adoption of ASC 606 (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Jan. 01, 2018	Dec. 31, 2016
Capitalized contract assets	$ 319,199		$ 240,017
Total assets	11,692,332	16,078,822	16,318,839
Accumulated deficit	(75,134,316)	(67,076,492)	(66,836,475)
TOTAL STOCKHOLDERS’ EQUITY	10,466,222	13,753,295	13,993,312	$ 15,452,888
Total Liabilities and Stockholders’ Equity	11,692,332	16,078,822	16,318,839
Selling, general and administrative expenses	5,333,906	5,676,323
Loss from continuing operations	(6,868,875)	(4,275,338)
Net loss available to common stockholders (basic and diluted EPS)	$ (8,495,874)	$ (5,044,496)
Basic & Diluted Loss per Common Share (in dollars per share)	$ (0.73)	$ (0.76)
Change in contract assets	$ (79,182)
Net cash used by operating activities	(1,613,475)	$ (2,465,462)
Calculated under Revenue Guidance in Effect before Topic 606 [Member]
Capitalized contract assets
Selling, general and administrative expenses	5,413,088
Loss from continuing operations	(6,948,057)
Net loss available to common stockholders (basic and diluted EPS)	$ (8,575,056)
Basic & Diluted Loss per Common Share (in dollars per share)	$ (0.74)
Change in contract assets
Net cash used by operating activities	(1,613,475)
Difference between Revenue Guidance in Effect before and after Topic 606 [Member]
Capitalized contract assets	(319,199)
Selling, general and administrative expenses	79,182
Loss from continuing operations	(79,182)
Net loss available to common stockholders (basic and diluted EPS)	$ (79,182)
Basic & Diluted Loss per Common Share (in dollars per share)	$ 0
Change in contract assets	$ 79,182
Net cash used by operating activities
Accounting Standards Update 2014-09 [Member]
Capitalized contract assets			240,017
Total assets			240,017
Accumulated deficit			240,017
TOTAL STOCKHOLDERS’ EQUITY			240,017
Total Liabilities and Stockholders’ Equity			$ 240,017

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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