Summary of Significant Accounting Policies - Schedule of reconciliation of weighted average shares outstanding for the basic and diluted earnings per share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Basic and diluted earnings per share computations [Abstract]
(Loss) income from continuing operations	$ (3,610)	$ 2,503
Basic:
Weighted average shares outstanding at beginning of year (in shares)	15,675	15,645
Weighted average shares issued during the year, net (in shares)	274	30
Weighted average common shares, basic (in shares)	15,949	15,675
(Loss) income from continuing operations per common share, basic (in dollars per share)	$ (0.23)	$ 0.16
Diluted:
Weighted average common shares, basic (in shares)	15,949	15,675
Dilutive impact of stock options and restricted stock awards (in shares)	0	63
Weighted average common shares, diluted (in shares)	15,949	15,738
(Loss) income from continuing operations per common share, diluted (in usd per share)	$ (0.23)	$ 0.16