Acquisitions - Additional Information (Detail) - USD ($)	1 Months Ended	3 Months Ended	12 Months Ended
	Jan. 16, 2015	Mar. 31, 2017	Dec. 31, 2015
Business Acquisition Purchase Price Allocation Description	The purchase price for this acquisition was $2.4 million cash paid at closing and the assumption of a liability of $20,000, and a maximum of an additional $3.0 million earn-out
Tangible assets	$ 1,600,000
Intangible assets	1,600,000
Goodwill	$ 2,300,000
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High			$ 3,000,000
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability			1,000,000
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Goodwill			1,900,000
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles			800,000
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Inventory			100,000
Minimum [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net, Total			4,400,000
Maximum [Member]
Allocated Share Based Compensation Expense		$ 3,000,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net, Total			$ 5,400,000