Note R - Earnings Per Share (EPS) (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	201 8			201 7
Basic Numerator:
Loss from continuing operations	$	(6,868,875	)	$	(4,275,338	)
Deemed dividend from trigger of anti-dilution provision feature		(1,428,966	)		-
Convertible preferred stock dividends		(198,033	)		(769,158	)
Net loss available to common stockholders (basic and diluted EPS)	$	(8,495,874	)	$	(5,044,496	)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

	Years ended December 31,
	201 8		201 7
Preferred stock		1,426,756		5,264,422
Stock options		83		15,529
Warrants		697,879		2,109
Potentially dilutive securities		2,124,718		5,282,060

	Years ended December 31,
	201 8		201 7
Stock options		1,583,014		1,390,428
Warrants		186,806		1,351,052
Total		1,769,820		2,741,480