Commitments and Contingencies - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended	7 Months Ended	1 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Jun. 30, 2014	Dec. 31, 2013	Aug. 31, 2013	Dec. 31, 2014
Other Commitments [Line Items]
Operating leases, expiration year	2020
Rent expense	$ 264,000	$ 324,000
Restricted cash	250,000					250,000
Third party software vendor licensed lost			934,000
Accrued contingent liability			100,000
Loss contingency receivable	934,000
Payment of legal expenses	85,000
Volume pricing agreements period of OVRP	12 months
Provision on contingencies	0
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