Subsequent Events - Additional Information (Detail) - Term Loan Agreement [Member] - USD ($)		9 Months Ended
	Oct. 30, 2015	Sep. 30, 2015	Dec. 31, 2016	Jun. 30, 2016	Dec. 31, 2015	Apr. 16, 2015	Dec. 31, 2014	Oct. 31, 2014	Apr. 30, 2014
Subsequent Event [Line Items]
Credit facility, maximum borrowing capacity									$ 45,000,000
Credit facility, outstanding									20,000,000
Credit facility, additional borrowing capacity						$ 15,000,000		$ 10,000,000
Percentage of accrue interest		12.50%						12.50%
Percentage of deferred payment							3.50%	3.50%
End of deferred payment term		First four years term
Maximum [Member]
Subsequent Event [Line Items]
Credit facility, additional borrowing capacity								$ 15,000,000
Option to Defer Payment of Interest [Member]
Subsequent Event [Line Items]
Credit facility, maximum borrowing capacity									$ 51,000,000
Scenario, Forecast [Member]
Subsequent Event [Line Items]
Credit facility, outstanding				$ 45,000,000
Credit facility, additional borrowing capacity				$ 5,000,000	$ 10,000,000
Percentage of deferred payment					3.50%
Scenario, Forecast [Member] | Maximum [Member]
Subsequent Event [Line Items]
Credit facility, additional borrowing capacity			$ 15,000,000
Subsequent Event [Member]
Subsequent Event [Line Items]
Credit facility, maximum borrowing capacity	$ 60,000,000
Credit facility, outstanding	$ 30,000,000
Term loan agreement extension period	2 years
Percentage of accrue interest	12.00%
Percentage of deferred payment	3.00%
End of deferred payment term	First six years
Percentage payment up on repayment of principal amount	2.00%
Subsequent Event [Member] | Option to Defer Payment of Interest [Member]
Subsequent Event [Line Items]
Credit facility, maximum borrowing capacity	$ 70,000,000