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Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified | Sep. 30, 2013 | Dec. 31, 2012
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Statement of Financial Position [Abstract] |  |
Allowance for doubtful accounts | $ 945 | $ 460
Property and equipment, accumulated depreciation | 19,551 | 19,421
Other intangible assets, accumulated amortization | $ 4,906 | $ 4,270
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) | 22,478,488 | 22,111,675
Common stock outstanding (in Shares) | 22,381,123 | 22,102,549
Treasury stock (in Shares) | 97,365 | 9,126

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