Consolidated Balance Sheets [Parenthetical] (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 29, 2012	Dec. 31, 2011
Receivables allowance (in dollars)	$ 1,096	$ 938
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0
Common stock, shares authorized	30,000,000	30,000,000
Common stock, shares issued	13,427,339	12,883,948
Common stock, shares outstanding	13,427,339	12,883,948