Consolidated Statements of Changes in Stockholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock	Total
Balance at Dec. 03, 2011	$ 55	$ 106,370	$ 11,284	$ (978)	$ (13,426)	$ 103,305
Balance (in shares) at Dec. 03, 2011	5,521,170
Increase (Decrease) in Stockholders' Equity
Exercise of employee stock options, net of reversal of tax benefit on exercised stock options of $4 in 2014 and forfeited stock options of $38 in 2012		82			(40)	42
Exercise of employee stock options, net of reversal of tax benefit on forfeited stock options (in shares)	6,741
Stock-based compensation		604				604
Dividends declared $0.20, $0.20 and $0.20 per share for the year ended 2014, 2013 and 2012, respectively			(1,028)			(1,028)
Other Comprehensive Income (Loss), Net of Tax				257		257
Net (loss) income			966			966
Balance at Dec. 01, 2012	55	107,056	11,222	(721)	(13,466)	104,146
Balance (in shares) at Dec. 01, 2012	5,527,911
Increase (Decrease) in Stockholders' Equity
Exercise of employee stock options, net of reversal of tax benefit on exercised stock options of $4 in 2014 and forfeited stock options of $38 in 2012		80				80
Exercise of employee stock options, net of reversal of tax benefit on forfeited stock options (in shares)	6,776
Stock-based compensation		467				467
Dividends declared $0.20, $0.20 and $0.20 per share for the year ended 2014, 2013 and 2012, respectively			(1,029)			(1,029)
Other Comprehensive Income (Loss), Net of Tax				272		272
Net (loss) income			(5,821)			(5,821)
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
Exercise of employee stock options, net of reversal of tax benefit on exercised stock options of $4 in 2014 and forfeited stock options of $38 in 2012		76				76
Exercise of employee stock options, net of reversal of tax benefit on forfeited stock options (in shares)	3,208
Stock-based compensation		208				208
Dividends declared $0.20, $0.20 and $0.20 per share for the year ended 2014, 2013 and 2012, respectively			(1,030)			(1,030)
Other Comprehensive Income (Loss), Net of Tax				(386)		(386)
Net (loss) income			(1,104)			(1,104)
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