Business Combinations - Additional Information (Detail) - Glip, Inc. - USD ($)		3 Months Ended
	Jun. 04, 2015	Mar. 31, 2016
Business Acquisition [Line Items]
Business combination, consideration payable in combination of cash and common stock	$ 11,906,000
Business combination, fair value of milestone based earn out liability	$ 2,289,000	$ 2,400,000
Business combination, fair value of milestone based earn out liability, current		2,000,000
Business combination, fair value of milestone based earn out liability, non-current		400,000
Business combination contingent consideration maximum potential cash payment		$ 2,000,000
Business combination earn out period of contingent consideration		2 years
Business combination, contingent payment liability		$ 800,000
Amortization expense of Intangible Assets		$ 300,000