Net Income per share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Reconciliation of the weighted average shares outstanding for the basic and diluted EPS computations [Abstract]
Net income from continuing operations	$ 1,977	$ 100	$ 3,241	$ 115
Basic [Abstract]
Shares outstanding at beginning of period (in shares)	15,811,000	15,607,000	15,771,000	15,645,000
Weighted average shares issued during the period, net	108,000	8,000	122,000	6,000
Weighted average common shares, basic (in shares)	15,919,000	15,615,000	15,893,000	15,651,000
Net income from continuing operations per common share, basic (in dollars per share)	$ 0.12	$ 0.01	$ 0.20	$ 0.01
Diluted [Abstract]
Weighted average common shares, basic (in shares)	15,919,000	15,615,000	15,893,000	15,651,000
Dilutive impact of stock options and restricted stock awards (in shares)	260,000	55,000	253,000	66,000
Weighted average common shares, diluted (in shares)	16,179,000	15,670,000	16,146,000	15,717,000
Net income from continuing operations per common share, diluted (in dollars per share)	$ 0.12	$ 0.01	$ 0.20	$ 0.01
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive stock options outstanding (in shares)	0	38,000	0	26,000