Consolidated Statement of Shareholders’ Equity (USD $) In Thousands, except Share data	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance at Aug. 25, 2010
Net income for the year				$ 2,965	$ 2,965
Common stock issued under nonemployee director benefit plans	1		3		4
Common stock issued under nonemployee director benefit plans (in Shares)	2,000				(7,125)
Common stock issued under employee benefit plans	2		21		23
Common stock issued under employee benefit plans (in Shares)	5,000
Reduction in excess tax benefits from stock options			(71)		(71)
Share-based compensation expense	25		730		755
Share-based compensation expense	80
Balance at Aug. 31, 2011	9,168	(4,775)	23,772	136,872	165,037
Balance (in Shares) at Aug. 31, 2011	28,651,000	(500,000)
Net income for the year				6,854	6,854
Common stock issued under nonemployee director benefit plans (in Shares)					0
Reduction in excess tax benefits from stock options			(27)		(27)
Share-based compensation expense	8		787		795
Share-based compensation expense	26				177
Balance at Aug. 29, 2012	9,176	(4,775)	24,532	143,726	172,659
Balance (in Shares) at Aug. 29, 2012	28,677,000	(500,000)
Net income for the year				3,285	3,285
Common stock issued under nonemployee director benefit plans	9		19		28
Common stock issued under nonemployee director benefit plans (in Shares)	28,000				(93,973)
Common stock issued under employee benefit plans	26		350		376
Common stock issued under employee benefit plans (in Shares)	80,000
Reduction in excess tax benefits from stock options			64		64
Share-based compensation expense	6		1,100		1,106
Share-based compensation expense	19				(80)
Balance at Aug. 28, 2013	$ 9,217	$ (4,775)	$ 26,065	$ 147,011	$ 177,518
Balance (in Shares) at Aug. 28, 2013	28,804,000	(500,000)