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Note 15 - Commitments and Contingencies (Details Textual) - USD ($) | 12 Months Ended
--- | ---
Aug. 31, 2021 | Aug. 31, 2020
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 6 months |
Operating Lease, Weighted Average Discount Rate, Percent | 2.31% |
Operating Lease, Expense | $ 386,345 | $ 131,840
Accrued Bonuses | $ 2,366,668 | $ 1,300,000
Entity Wide Trade Joint Venture Receivables, Three Joint Ventures, Percentage | 37.40% | 88.20%
Stock Options Granted to Management [Member] |  |
Accrued Bonuses | $ 266,667 | $ 800,000
Accrued Bonuses, to Be Paid as Stock Options, Period (Year) | 3 years |
Paid Out in Cash and Profit Sharing [Member] |  |
Accrued Bonuses | $ 2,100,000 | $ 500,000
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%

X
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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 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://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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- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918638-209977 + Details
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