Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended	18 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Jun. 30, 2015	Jun. 30, 2016
Tax Credit Carryforward [Line Items]
Income tax (benefit) expense	$ 1,680	$ 1,047	$ 2,944	$ 1,047
(Loss) income from operations before income taxes	6,473	$ 3,933	9,697	$ 4,650
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	$ 757		$ 757
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount					$ 568
Scenario, Forecast [Member]
Tax Credit Carryforward [Line Items]
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount						$ 1,568