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Note 13 - Commitments and Contingencies (Details) (USD $)				9 Months Ended
	May 31, 2013	Aug. 31, 2012	May 31, 2012	May 31, 2013 Fiscal 2013 Bonus Plan [Member] Executive Officer [Member]	May 31, 2013 Fiscal 2013 Bonus Plan [Member]
Note 13 - Commitments and Contingencies (Details) [Line Items]
Percentage of Company's Earnings Before Interest, Taxes, and Other Income Available Under the Bonus Plan, Maximum					25.00%
Adjusted EBITOI As Percentage of Target EBITOI, Threshold To Pay Bonus					70.00%
Percentage of Individual Bonus Payout Determined By Actual Versus Targeted EBITOI Results				50.00%
Percentage of Individual's Payout Determined Upon Achievement of Certain Pre-Established Individual Performance Objectives				50.00%
Accrued Bonuses (in Dollars)	$ 580,000		$ 1,058,045
Operating Leases, Future Minimum Payments, Remainder of Fiscal Year (in Dollars)	59,625
Operating Leases, Future Minimum Payments, Due in Two Years (in Dollars)	59,500
Operating Leases, Future Minimum Payments, Due Thereafter (in Dollars)	$ 0
Entity-Wide Trade Joint Venture Receivables, Three Joint Ventures, Percentage	67.10%	55.30%

X

- Definition

If the adjusted EBITOI (EBITO adjusted for amounts to be paid under the bonus plan) falls below this threshold then no cash bonuses will be paid.

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Percentage of total trade joint venture receivables accounted for by three joint ventures.

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Maximum percentage of EBITOI available as bonus amounts under the bonus plan.

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Percentage of individual's bonus payout determined based upon the Company's actual EBITOI for the fiscal year compared to pre-established target EBITOI for the fiscal year.

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Carrying value as of the balance sheet date of obligations incurred and payable for incentive compensation awarded to employees and directors or earned by them based on the terms of one or more relevant arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Amount of required minimum rental payments maturing in the second fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the remainder of the fiscal year following the latest fiscal year ended for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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