Fair Value Measurements (Details) - Recurring - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Fair Value Measurements
Total	$ 625	$ 60
Other long-term liabilities
Fair Value Measurements
Liability for deferred consideration	434
Liability for contingent consideration	116
Warrants \| Accrued and other current liabilities
Fair Value Measurements
Liability for common stock warrants	75	60
Level 3
Fair Value Measurements
Total	625	60
Level 3 \| Other long-term liabilities
Fair Value Measurements
Liability for deferred consideration	434
Liability for contingent consideration	116
Level 3 \| Warrants \| Accrued and other current liabilities
Fair Value Measurements
Liability for common stock warrants	$ 75	$ 60

Carrying value as of the balance sheet date of obligations incurred through that date and payable for royalties.

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