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Fair Value Measurements (Details Textual) (USD $)	3 Months Ended
	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

X

- Definition

Business combination contingent consideration liability extended term.

+ References

No definition available.

+ Details

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- Definition

Fair value measurements inter transfers between levels.

+ References

No definition available.

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- Details

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