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

6 Months Ended

Jun. 30, 2016

Notes Tables

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

Anti-dilutive security	June 30, 2016		June 30, 2015
Preferred stock		-0-		2,750,149
Employee stock options		982,500		1,563,793
Warrants		27,860,000		52,263,517
Convertible notes		15,910,000		13,850,000
Shares issuable for accrued interest		150,016		875,009
Total		44,902,516		71,302,468

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

	For the six months ended
	June 30, 2016								June 30, 2015
	Income/(loss) numerator			Shares denominator		Per-share amount			Income/(loss) numerator			Shares denominator		Per-share amount
Basic EPS	$	(2,874,076	)		144,029,335	$	(0.02	)	$	1,821,485			91,999,079	$	0.02
Effect of dilutive securities		-0-			-0-		-0-			(387,828	)		11,713,707		(0.03	)
Diluted EPS	$	(2,874,076	)		144,029,335	$	(0.02	)	$	1,433,657			103,712,786	$	0.01

	For the three months ended
	June 30, 2016								June 30, 2015
	Income/(loss) numerator			Shares denominator		Per-share amount			Income/(loss) numerator			Shares denominator		Per-share amount
Basic EPS	$	(1,995,246	)		146,978,378	$	(0.01	)	$	4,627,529			92,350,506	$	0.05
Effect of dilutive securities		-0-			-0-		-0-			(1,460,161	)		28,313,856		(0.05	)
Diluted EPS	$	(1,995,246	)		146,978,378	$	(0.01	)	$	3,167,368			120,664,362	$	0.03