Net Income (loss) per share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Reconciliation of the weighted average shares outstanding for the basic and diluted EPS computations [Abstract]
Income from continuing operations	$ 1,264	$ 15
Basic [Abstract]
Shares outstanding at beginning of period (in shares)	15,771,000	15,645,000
Weighted average shares issued during the period, net (in shares)	10,000	1,000
Weighted average common shares, basic (in shares)	15,781,000	15,646,000
Income from continuing operations per common share, basic (in dollars per share)	$ 0.08	$ 0
Diluted [Abstract]
Weighted average common shares, basic (in shares)	15,781,000	15,646,000
Dilutive impact of stock options and restricted stock awards (in shares)	197,000	77,000
Weighted average common shares, diluted (in shares)	15,978,000	15,723,000
Income from continuing operations per common share, diluted (in dollars per share)	$ 0.08	$ 0
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive stock options outstanding (in shares)	0	16,000