Net Income (Loss) Per Common Share

6 Months Ended

Jun. 30, 2017

Earnings Per Share [Abstract]

Net Income (Loss) Per Common Share

Note 8 - Net Income (Loss) per Common Share

Basic income (loss) per common share is calculated by dividing net income (loss) available to common shareholders by the number of weighted average common shares issued and outstanding. Diluted earnings (loss) per common share is calculated by dividing net income (loss) available to common shareholders, adjusted for the change in the fair value of the warrant liability by the weighted average number of common shares issued and outstanding for the period, plus amounts representing the dilutive effect from the exercise of stock options and warrants, as applicable. The Company calculates dilutive potential common shares using the treasury stock method, which assumes the Company will use the proceeds from the exercise of stock options and warrants to repurchase shares of common stock to hold in its treasury stock reserves.

The following potentially dilutive securities have been excluded from the computations of diluted weighted-average shares outstanding as they would be anti-dilutive:

	June 30,
	2017		2016
Shares underlying warrants outstanding		7,432,342		3,291,149
Shares underlying options outstanding		5,459,015		4,222,640
Unvested restricted stock		17,756		128,234