Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 29, 2013	Dec. 29, 2012
Consolidated Balance Sheets
Accounts receivable, allowance for doubtful accounts (in dollars)	$ 651	$ 671
Property and equipment, accumulated depreciation (in dollars)	$ 7,418	$ 7,492
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, shares authorized	24,000,000	24,000,000
Common stock, shares issued	5,111,377	5,084,155
Common stock, shares outstanding	5,111,377	5,084,155