Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013
Summary of future minimum payments under non-cancellable operating lease commitments
2013 (remaining six months)	$ 192
2014	261
2015	23
Total	$ 476

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 10

-Section 55

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Section 50

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Amount of required minimum rental payments maturing in the next fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the third fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the second fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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