Net Loss Per Share of Common Stock - Schedule of Net Loss Per Share Basic and Diluted (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Earnings Per Share [Abstract]
Net loss	$ (2,194,000)	$ (990,000)
Weighted-average common shares outstanding - basic and diluted	17,621,000	16,981,000
Basic and diluted net loss per share	$ (0.12)	$ (0.06)