Commitments And Contingencies - Additional Information (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Commitments And Contingencies [Line Items]
Operating lease, rent abatement period	6 months
Operating lease, rent abatement recovery period	60 months
Operating lease, rent expense		$ 500	$ 400	$ 400
Open purchase orders, net		$ 8,400
San Diego California
Commitments And Contingencies [Line Items]
Operating lease, agreement period	5 years
Operating lease, renewal option	3 years
Operating lease, monthly rent	$ 24
Operating leases rent expense percentage of annual escalation	3.00%