Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Earnings Per Share
Shares of common stock underlying stock options excluded from the calculation of diluted EPS	439,000	912,000	400,000	1,051,000
Basic EPS - Net Income
Income from continuing operations	$ 1,838	$ 3,372	$ 4,866	$ 4,781
Shares	12,343,000	11,488,000	12,137,000	11,483,000
Per Share Amounts (in dollars per share)	$ 0.15	$ 0.30	$ 0.40	$ 0.41
Effect of dilutive securities - Dilutive effect of stock options
Shares	602,000	283,000	704,000	251,000
Diluted EPS - Adjusted net income
Adjusted income from continuing operations	$ 1,838	$ 3,372	$ 4,866	$ 4,781
Shares	12,945,000	11,771,000	12,841,000	11,734,000
Per Share Amounts (in dollars per share)	$ 0.14	$ 0.29	$ 0.37	$ 0.40