Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 01, 2013	Dec. 01, 2012
Consolidated Balance Sheets
Accounts receivable, allowance (in dollars)	$ 202	$ 128
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	10,000,000	10,000,000
Common stock, shares issued	5,534,687	5,527,911
Common stock, shares outstanding	5,146,366	5,139,590
Treasury stock, shares	388,321	388,321