CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 22, 2014	Dec. 28, 2013	Mar. 23, 2013
Receivables allowance (in dollars)	$ 1,314	$ 1,321	$ 969
Preferred stock, shares authorized	1,000,000	1,000,000	1,000,000
Preferred stock, shares issued	0	0	0
Common stock, shares authorized	30,000,000	30,000,000	30,000,000
Common stock, shares issued	13,786,966	13,656,557	13,458,935
Common stock, shares outstanding	13,786,966	13,656,557	13,458,935