Stock-Based Compensation (Details Textual)
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9 Months Ended |
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Sep. 30, 2013
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Stock Based Compensation (Textual) [Abstract] | |
Remaining shares available for grant | 967,743 |
Shares of common stock authorized under stock compensation plan | 8,950,000 |
Maximum [Member]
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Vesting period for non-vested stock awards and stock options | 5 years |
Minimum [Member]
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Vesting period for non-vested stock awards and stock options | 3 years |