Stockholders' Equity (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May. 31, 2015	May. 31, 2014	May. 31, 2015	May. 31, 2014
Per Share Results
Loss from continuing operations for computation of basic and diluted per share results, net of tax	$ (234)	$ (225)	$ (942)	$ (1,323)
Income from discontinued operations for computation of basic and diluted per share results, net of tax		390		118
Net (loss) income	$ (234)	$ 165	$ (942)	$ (1,205)
Weighted average shares outstanding for computation of basic per share results	5,150,000	5,147,000	5,150,000	5,147,000
Adjusted weighted average shares for computation of diluted per share results	5,150,000	5,147,000	5,150,000	5,147,000
Incremental shares from assumed exercise of stock options excluded due to anti-dilutive effect	23,000	12,000	19,000	13,000