Earnings Per Share - Basic and Diluted Income (Loss) Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Earnings Per Share [Abstract]
Net income (loss)	$ (1,230)	$ (3,551)	$ (4,794)	$ (4,451)
Weighted average common shares outstanding, basic and diluted (in shares)	9,543,535	8,553,613	8,640,409	8,531,545
Earnings (loss) per common share, basic and diluted (in dollars per share)	$ (0.13)	$ (0.42)	$ (0.55)	$ (0.52)