Income (Loss) per common share (Tables)

3 Months Ended

Mar. 31, 2017

Basic and diluted income (loss) per share for the three months ended March 31, 2017 and 2016, respectively, were as follows:



	Three months ended March 31,
	2017		2016
Net income (loss) attributable to stockholders	$	44,787	$	(893,168	)
Weighted average shares outstanding - Basic	20,037,795		18,478,990
Basic income (loss) per share	$0.00		$(0.05)
Weighted average shares outstanding - Diluted	20,317,142		18,478,990
Diluted income (loss) per share	$0.00		$(0.05)
Anti-dilutive shares underlying stock options outstanding	—		1,123,200
Anti-dilutive convertible debentures	889,830		890,207
Anti-dilutive warrants outstanding	—		—