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Fair Value Measurements (Details Textual) (USD $) | 3 Months Ended
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Mar. 31, 2013
Fair Value Measurements (Textual) [Abstract] |
Fair Value Measurements, Inter-transfers between Levels | $ 0
Maximum [Member] |
Fair Value Measurements (Textual) [Abstract] |
Business Combination Contingent Consideration Liability Extended Term | 6 years
Minimum [Member] |
Fair Value Measurements (Textual) [Abstract] |
Business Combination Contingent Consideration Liability Extended Term | 3 years

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- Definition Business combination contingent consideration liability extended term. + References No definition available. + Details
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- Details
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