Note 5 - Loss Per Share (Tables)

3 Months Ended

Mar. 31, 2018

Notes Tables

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

	Three Months Ended March 31,
	2018			2017
Numerator:
Net loss available in basic and diluted calculation	$	(1,760,022	)	$	(1,341,847	)
Other comprehensive income:
Unrealized gain from marketable securities		-			-
Comprehensive (loss)		(1,760,022	)		(1,341,847	)
Denominator:
Weighted average common shares outstanding-basic		11,383,217			6,450,967
Effect of diluted stock options, warrants and preferred stock (1)		-			-
Weighted average common shares outstanding-basic		11,383,217			6,450,967
Loss per common share-basic and diluted	$	(0.15	)	$	(0.21	)