Basic and Diluted Earnings (Loss) Per Common Share (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Numerator [Abstract]
Net loss	$ (1,496)	$ (266)
Denominator [Abstract]
Weighted-average shares outstanding for basic earnings per share (in shares)	19,514,385	19,094,382
Effect of dilutive securities [Abstract]
Stock options and restricted stock units (in shares)	0	0
Adjusted weighted-average shares outstanding and assumed conversions for diluted income (loss) per share (in shares)	19,514,385	19,094,382
Shares related to dilutive securities excluded because inclusion would be anti-dilutive (in shares)	763,200	564,833