Note 3 - Earnings/(Loss) Per Share (Tables)

3 Months Ended

Mar. 31, 2018

Notes Tables

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

Anti-dilutive security	March 31, 2018	March 31, 2017
Employee stock options	1,295,000	3,825,000
Warrants	12,950,000	27,860,000
Convertible notes	11,980,000	15,490,000
Shares issuable for accrued interest	118,224	150,940
Total	26,343,224	47,325,940

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

	For the three months ended
	March 31, 2018						March 31, 2017
	Income/(loss)		Shares		Per-share		Income/(loss)		Shares		Per-share
	numerator		denominator		amount		numerator		denominator		amount
Basic EPS	$	593,483		149,653,916	$	-0-	$	73,974		147,785,621	$	-0-
Effect of dilutive securities		139		3,039,750		-0-		-0-		168,095		-0-
Diluted EPS	$	593,622		152,693,666	$	-0-	$	73,974		147,953,716	$	-0-