Quarterly Results of Operations (Unaudited) (Detail) - Tables (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 29, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Oct. 01, 2011	Jul. 02, 2011	Apr. 02, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net Sales	$ 23,384	$ 23,977	$ 24,428	$ 26,781	$ 24,631	$ 26,051	$ 27,393	$ 2,657	$ 98,570	$ 104,646	$ 137,012
Gross profit	2,182	3,345	3,078	3,597	3,329	3,824	3,633	1,685	12,202	12,471	(16,103)
Net (loss) income	$ (3,008)	$ (1,904)	$ 36,860	$ (1,563)	$ 1,190	$ (1,691)	$ (595)	$ (3,929)	$ 30,384	$ (5,025)	$ (43,790)
Basic (in Dollars per share)	$ (0.21)	$ (0.13)	$ 2.57	$ (0.11)	$ 0.08	$ (0.12)	$ (0.04)	$ (0.27)	$ 2.12	$ (0.35)	$ (4.11)
Diluted (in Dollars per share)	$ (0.21)	$ (0.13)	$ 2.54	$ (0.11)	$ 0.08	$ (0.12)	$ (0.04)	$ (0.27)	$ 2.10	$ (0.35)	$ (4.11)