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 beginning of period 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
Exercise of stock options		80				80
Exercise of stock options (shares)	3,134
Net loss			(942)			(942)
Total other comprehensive loss, net of tax				201		201
Balance at end of period at May. 31, 2015	$ 55	108,129	1,296	(634)	(13,466)	95,380
Balance (in shares) at May. 31, 2015	5,541,029
Balance at beginning of period at Nov. 30, 2015	$ 55	108,188	1,117	(1,085)	(13,466)	94,809
Balance (in shares) at Nov. 30, 2015	5,541,029
Increase (Decrease) in Stockholders' Equity
Stock-based compensation		114				114
Repurchase of common stock					(1,951)	(1,951)
Net loss			(714)			(714)
Total other comprehensive loss, net of tax				(1,027)		(1,027)
Balance at end of period at May. 31, 2016	$ 55	$ 108,302	$ 403	$ (2,112)	$ (15,417)	$ 91,231
Balance (in shares) at May. 31, 2016	5,541,029