Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Summary of contractual obligations
Clinical development and related commitments, 2013	$ 240
Clinical development and related commitments, 2014	20
Clinical development and related commitments, 2015	20
Clinical development and related commitments, 2016
Clinical development and related commitments, 2017 and thereafter
Total	280
Operating Leases, 2013	116
Operating Leases, 2014
Operating Leases, 2015
Operating Leases, 2016
Operating Leases, 2017 and thereafter
Total	116
Total contractual obligations, 2013	356
Total contractual obligations, 2014	20
Total contractual obligations, 2015	20
Total contractual obligations, 2016
Total contractual obligations, 2017 and thereafter
Total	$ 396

Total amount of clinical development and related commitments.

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Amount of clinical development and related commitments maturing in the fifth fiscal year and thereafter following the latest fiscal year.

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Amount of clinical development and related commitments maturing in the next fiscal year following the latest fiscal year.

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Amount of clinical development and related commitments maturing in the second fiscal year following the latest fiscal year.

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Amount of clinical development and related commitments obligation maturing in the third fiscal year following the latest fiscal year.

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Amount of clinical development and related commitments obligation maturing in the fourth fiscal year following the latest fiscal year.

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

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Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

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Amount of contractual obligation maturing after the fifth fiscal year following the latest fiscal year.

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Amount of contractual obligation maturing in the next fiscal year following the latest fiscal year.

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Amount of contractual obligation maturing in the second fiscal year following the latest fiscal year.

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

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

-Publisher FASB

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Amount of required minimum rental payments maturing in the forth 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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