Goodwill and Other Intangible Assets - Amortization of the Company's Acquired Intangible Assets other than Goodwill (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Amortized intangible assets
Amortized intangible assets, gross carrying amount	$ 10,436	$ 10,432
Amortized intangible assets, accumulated amortization	(5,158)	(5,033)
License agreements
Amortized intangible assets
Amortized intangible assets, gross carrying amount	616	771
Amortized intangible assets, accumulated amortization	(616)	(771)
Technology
Amortized intangible assets
Amortized intangible assets, gross carrying amount	2,500	2,500
Amortized intangible assets, accumulated amortization	(352)	(310)
Customer Relationships
Amortized intangible assets
Amortized intangible assets, gross carrying amount	2,397	2,412
Amortized intangible assets, accumulated amortization	(463)	(411)
Patents
Amortized intangible assets
Amortized intangible assets, gross carrying amount	4,304	4,137
Amortized intangible assets, accumulated amortization	(3,436)	(3,272)
Other
Amortized intangible assets
Amortized intangible assets, gross carrying amount	619	612
Amortized intangible assets, accumulated amortization	$ (291)	$ (269)