Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Net sales	$ 163,677	$ 147,589	$ 134,250
Costs, Expenses and Other Income
Cost of products sold	113,349	103,174	92,541
Selling, administrative and general expenses	33,450	31,370	35,942
Goodwill and intangible asset impairment charges	0	13,384	0
Amortization	2,381	2,246	1,596
Operating Income (Loss)	14,497	(2,585)	4,171
Interest expense	738	602	693
Other (income)	(2,929)	(3,031)	(3,397)
Equity method investment impairment	0	382	0
Income (Loss) Before Income Taxes	16,688	(538)	6,875
Provision for Income Taxes	6,883	4,392	2,434
Net Income (Loss)	$ 9,805	$ (4,930)	$ 4,441
Earnings Per Share Data
Basic earnings (loss) per share (in dollars per share)	$ 0.73	$ (0.37)	$ 0.35
Diluted earnings (loss) per share (in dollars per share)	$ 0.72	$ (0.37)	$ 0.33