Commitments and Contingencies - Additional Information (Detail) - USD ($)	1 Months Ended	3 Months Ended			7 Months Ended
	Aug. 31, 2013	Mar. 31, 2016	Mar. 31, 2015	Jun. 30, 2014	Dec. 31, 2013	Dec. 31, 2015
Other Commitments [Line Items]
Operating leases, expiration year		2020
Rent expense		$ 260,000	$ 264,000
Restricted cash equivalents		250,000				$ 250,000
Third party software vendor licensed lost				$ 934,000
Accrued contingent liability		$ 0		$ 100,000		$ 0
Loss contingency receivable			934,000
Payment of legal expenses			$ 85,000
Volume pricing agreements period of OVRP		12 months
Bellevue [Member] | Washington [Member]
Other Commitments [Line Items]
Cash lease payments made					$ 0
Leasehold improvements and furniture provided by the landlord	$ 1,128,000
Bellevue [Member] | Washington [Member] | Minimum [Member]
Other Commitments [Line Items]
Expiration date of operating lease	2014-08
Bellevue [Member] | Washington [Member] | Maximum [Member]
Other Commitments [Line Items]
Expiration date of operating lease	2020-05