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Note 12 - Commitments and Contingencies (Details Textual) - USD ($) | 9 Months Ended |  |
--- | --- | --- | ---
May 31, 2020 | Aug. 31, 2019 | May 31, 2019
Lessee, Operating Lease, Option to Extend Term One (Year) | 5 years |  |
Lessee, Operating Lease, Option to Extend Term Two (Year) | 10 years |  |
Finance and Operating Lease, Weighted Average Remaining Lease Term (Year) | 1 year 328 days |  |
Operating Lease, Weighted Average Discount Rate, Percent | 4.32% |  |
Accrued Bonuses | $ 1,200,000 |  | $ 1,450,000
Entity Wide Trade Joint Venture Receivables, Three Joint Ventures, Percentage | 56.20% | 69.60% |
Fiscal 2018 Bonus Plan [Member] | Executive Officer [Member] |  |  |
Percentage of Individual Bonus Payout Determined by Actual Versus Targeted EBITOI Results | 75.00% |  |
Percentage of Individuals Payout Determined Upon Achievement of Certain Pre-Established Individual Performance Objectives | 25.00% |  |
Buildings, Equipment and Vehicles [Member] |  |  |
Number of Operating Lease | 12 |  |

X
- Definition Percentage of total trade joint venture receivables accounted for by three joint ventures. + References No definition available. + Details
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- Definition Weighted average remaining lease term for operating and finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Represents option to extend term one for operating lease. + 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://fasb.org/us-gaap/role/ref/legacyRef -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=120400017&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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=120398452&loc=d3e534808-122878 + Details
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