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Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified | Jun. 30, 2014 | Dec. 31, 2013
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Statement of Financial Position [Abstract] |  |
Allowance for doubtful accounts | $ 1,266 | $ 1,189
Property and equipment, accumulated depreciation | 21,014 | 20,077
Other intangible assets, accumulated amortization | $ 5,498 | $ 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) | 22,993,435 | 22,701,613
Common stock outstanding (in Shares) | 22,701,613 | 22,592,956
Treasury stock (in Shares) | 158,110 | 108,657

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