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Note 12 - Commitments and Contingencies (Details) (USD $) |  |  |  |  | 9 Months Ended
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May 31, 2014 | Feb. 28, 2014 | Aug. 31, 2013 | May 31, 2013 | May 31, 2014 Fiscal 2013 Bonus Plan [Member] Executive Officer [Member]
Note 12 - Commitments and Contingencies (Details) [Line Items] |  |  |  |  |
Percentage of Individual Bonus Payout Determined By Actual Versus Targeted EBITOI Results |  |  |  |  | 75.00%
Percentage of Individual's Payout Determined Upon Achievement of Certain Pre-Established Individual Performance Objectives |  |  |  |  | 25.00%
Accrued Bonuses | $ 1,063,000 |  |  | $ 580,000 |
Operating Leases, Future Minimum Payments Due, Next Twelve Months |  |  |  | 59,500 |
Operating Leases, Future Minimum Payments, Due Thereafter |  | $ 0 |  |  |
Entity-Wide Trade Joint Venture Receivables, Three Joint Ventures, Percentage | 68.50% |  |  |  |
EntityWideTradeJointVentureReceivablesTwoJointVenturesPercentage |  |  | 49.00% |  |

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- Definition 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. + References No definition available. + Details
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- Definition 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 -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.15(a)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph a -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph 5 -Article 9 + Details
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- Definition Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 3) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 + Details
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