Net Loss Per Share of Common Stock - Schedule of Basic and Diluted of Potential Dilution (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Earnings Per Share [Abstract]
Net loss	$ (1,497,000)	$ (3,142,000)	$ (2,195,000)	$ (7,087,000)
Weighted-average shares outstanding (in shares)	12,939,000	12,575,000	12,917,000	12,398,000
Basic and diluted net loss per share (in dollars per share)	$ (0.12)	$ (0.25)	$ (0.17)	$ (0.57)