Stockholders' Equity (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 01, 2013	Jun. 02, 2012	Jun. 01, 2013	Jun. 02, 2012
Per Share Results
Income (loss) as reported from continuing operations for computation of basic and diluted per share results, net of tax	$ (112)	$ (412)	$ 1,198	$ (1,537)
Income as reported from discontinued operation for computation of basic and diluted per share results, net of tax				1,647
Net income (loss)	$ (112)	$ (412)	$ 1,198	$ 110
Weighted average shares outstanding for computation of basic per share results	5,142,000	5,137,000	5,141,000	5,136,000
Incremental shares from assumed exercise of Griffin stock options			6,000
Adjusted weighted average shares for computation of diluted per share results	5,142,000	5,137,000	5,147,000	5,136,000
Incremental shares from assumed exercise of stock options excluded due to anti-dilutive effect	8,000	3,000		4,000