Fair Value Measurements (Details) - Recurring - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Fair Value Measurements
Total	$ 627	$ 60
Warranty reserve and other long-term liabilities
Fair Value Measurements
Liability for deferred consideration	437
Liability for contingent consideration	124
Warrants \| Accrued and other current liabilities
Fair Value Measurements
Liability for common stock warrants	66	60
Level 3
Fair Value Measurements
Total	627	60
Level 3 \| Warranty reserve and other long-term liabilities
Fair Value Measurements
Liability for deferred consideration	437
Liability for contingent consideration	124
Level 3 \| Warrants \| Accrued and other current liabilities
Fair Value Measurements
Liability for common stock warrants	$ 66	$ 60

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

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