Net Loss Per Common Share (Tables)

9 Months Ended

Sep. 30, 2017

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

in calculating net loss per share amounts, shares underlying the following potentially dilutive weighted average number of common stock equivalents were excluded from the calculation of diluted net loss per common share because their effect was anti-dilutive for each of the periods presented:



	Quarters Ended September 30,		Nine Months Ended September 30,
	2017	2016	2017	2016
Options	100,237	58,663	98,642	37,709
Warrants	1,206,504	3,525,872	3,469,612	2,621,450
Convertible preferred stock	6,422,034	1,386,888	4,328,089	984,127
Total	7,728,775	4,971,423	7,896,343	3,643,286