Quarterly Financial Data - Summary of Quarterly Financial Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Quarterly Financial Information Disclosure [Abstract]
Net Sales	$ 71,201	$ 74,123	$ 73,314	$ 74,823	$ 76,969	$ 75,682	$ 75,613	$ 73,336
Gross Profit	33,381	33,705	32,667	35,769	32,761	31,638	31,059	30,061	$ 135,522	$ 125,519	$ 77,361
Net (loss) income	$ 3,916	$ 5,386	$ (24,423)	$ 375	$ 227	$ (867)	$ (1,636)	$ (1,285)
Basic and diluted income (loss) per share	$ 0.13	$ 0.18	$ (1.29)	$ 0.02	$ 0.01	$ (0.05)	$ (0.09)	$ (0.07)	$ (0.60)	$ (0.20)	$ (3.42)