Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock	Total
Balance at Nov. 30, 2013	$ 55	$ 107,603	$ 4,372	$ (449)	$ (13,466)	$ 98,115
Balance (in shares) at Nov. 30, 2013	5,534,687
Increase (Decrease) in Stockholders' Equity
Stock-based compensation		83				83
Net loss			(1,205)			(1,205)
Total other comprehensive income, net of tax				(196)		(196)
Balance at May. 31, 2014	$ 55	107,766	3,167	(645)	(13,466)	96,877
Balance (in shares) at May. 31, 2014	5,537,895
Increase (Decrease) in Stockholders' Equity
Exercise of stock options		80				80
Exercise of stock options (shares)	3,208
Balance at Nov. 30, 2014	$ 55	107,887	2,238	(835)	(13,466)	95,879
Balance (in shares) at Nov. 30, 2014	5,537,895
Increase (Decrease) in Stockholders' Equity
Stock-based compensation		162				162
Net loss			(942)			(942)
Total other comprehensive income, net of tax				201		201
Balance at May. 31, 2015	$ 55	108,129	$ 1,296	$ (634)	$ (13,466)	95,380
Balance (in shares) at May. 31, 2015	5,541,029
Increase (Decrease) in Stockholders' Equity
Exercise of stock options		$ 80				$ 80
Exercise of stock options (shares)	3,134