Long-Term Debt (Details) (USD $)	Aug. 31, 2012	Aug. 31, 2011
Long-term Debt	$ 13,462,000	$ 15,260,000
Less current portion	(555,000)	(778,000)
Notes Payable, Noncurrent	12,907,000	14,482,000
Note payable to GE Capital Franchise Finance Corporation [Member]
Long-term Debt	462,000	546,000
Note payable to Zion's Bank [Member]
Long-term Debt	0	0
Note payable to Community Bank, secured by real estate [Member]
Long-term Debt	5,252,000	5,395,000
Line of credit payable to Community Bank [Member] | Revolving Credit Facility [Member]
Long-term Debt	7,450,000	8,500,000
Note payable to Community Bank, secured by all Company assets [Member]
Long-term Debt	298,000	797,000
Note payable to BMW Bank [Member]
Long-term Debt	$ 0	$ 22,000