Net Income (Loss) Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Earnings Per Share [Abstract]
Basic EPS (in shares)	6,086,489	5,463,568	5,998,460	5,346,178
Common stock warrants (in shares)	354,420	0	308,529	0
Common stock options (in shares)	1,486,879	0	1,304,972	0
Diluted EPS (in shares)	7,927,788	5,463,568	7,611,961	5,346,178
Net Income - Basic EPS	$ 1,468	$ (41)	$ 3,626	$ (1,763)
Net Income - Common stock warrants	0	0	0	0
Net Income - Common stock options	0	0	0	0
Net Income - Diluted EPS	$ 1,468	$ (41)	$ 3,626	$ (1,763)
Basic EPS (in dollars per share)	$ 0.24	$ (0.01)	$ 0.60	$ (0.33)
Diluted EPS (in dollars per share)	$ 0.19	$ (0.01)	$ 0.48	$ (0.33)