Net Loss Per Common Share (Tables)

6 Months Ended

Jun. 30, 2016

Earnings Per Share [Abstract]

Schedule of common stock equivalents excluded from the computation of diluted net loss per share

	Three months ended June 30,				Six months ended June 30,
	2016		2015		2016		2015
Weighted average shares outstanding:
Common stock warrants		706,331		359,714		645,353		359,714
Options		2,069,911		736,722		2,027,480		727,069
Total		2,776,242		1,096,436		2,672,833		1,086,783