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Commitments (Details Textual)	6 Months Ended
	Jun. 30, 2012 sqft
Commitments (Textual) [Abstract]
Operating Leases	6,000
Sub Lease Contract Start Date	2011-12
Austin [Member]
Commitments (Textual) [Abstract]
Operating Lease Expiration Year	2014
San Mateo [Member]
Commitments (Textual) [Abstract]
Operating Lease Expiration Year	2012

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- Details

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- Definition

Operating lease expiration year.

+ References

No definition available.

+ Details

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- Definition

Property available for non cancellable operating lease area covered.

+ References

No definition available.

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Balance Type:	na
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- Definition

Sub lease contract start date.

+ References

No definition available.

+ Details

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