Commitments and Contingencies - Additional Information (Details)			3 Months Ended
	Sep. 15, 2014 USD ($) ft²	Jun. 29, 2012 USD ($) ft²	Mar. 31, 2016 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)
Commitments And Contingencies Disclosure [Line Items]
Purchase commitment cancellation notice period			30 days
Other long term assets			$ 289,000		$ 289,000
Rent expense net			300,000	$ 300,000
Contingent liability for accrual			0		$ 0
Facility Leases Member
Commitments And Contingencies Disclosure [Line Items]
Lease period	5 years	66 months
Area of leased property | ft²	34,400	12,000
Annual lease payments		$ 500,000
Sublease income			100,000
Sublease expense			$ 100,000
Additional period of extension in lease contract	3 years
Initial annual lease payments	$ 1,300,000
Increase in lease payments at final year of agreement	$ 1,600,000
Lease commencement period			2015-01
Lease abatement period			3 months