Basic and Diluted Earnings (Loss) Per Common Share (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Numerator [Abstract]
Net income	$ (605)	$ 168	$ (44)	$ 418
Denominator [Abstract]
Weighted-average shares outstanding for basic earnings per share (in shares)	19,280,770	18,230,148	19,204,778	18,052,019
Effect of dilutive securities [Abstract]
Stock options and restricted stock units (in shares)	0	239,969	0	235,851
Adjusted weighted-average shares outstanding and assumed conversions for diluted income (loss) per share (in shares)	19,280,770	18,470,117	19,204,778	18,287,870
Shares related to dilutive securities excluded because inclusion would be anti-dilutive (in shares)	534,833	734,833	550,218	741,862