Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 1,269	$ 1,189
Property and equipment, accumulated depreciation	20,566	20,077
Other intangible assets, accumulated amortization	$ 5,304	$ 5,108
Common stock, par value (in Dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in Shares)	40,000,000	40,000,000
Common stock, shares issued (in Shares)	22,951,121	22,701,613
Common stock outstanding (in Shares)	22,794,080	22,592,956
Treasury stock (in Shares)	157,041	108,657