Quarterly report pursuant to Section 13 or 15(d)

Discontinued Operations - Carrying amounts of assets and liabilities (Details)

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Discontinued Operations - Carrying amounts of assets and liabilities (Details) - USD ($)
May 31, 2021
Aug. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Total current assets $ 623,000 $ 1,030,000
Total current liabilities 1,687,000 1,746,000
Disposal by sale | Overall business    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Deposits - workers' compensation 623,000 1,030,000
Total current assets 623,000 1,030,000
Deposits - workers' compensation 1,126,000 2,582,000
Total assets 1,749,000 3,612,000
Accrued workers' compensation cost 1,687,000 1,746,000
Total current liabilities 1,687,000 1,746,000
Accrued workers' compensation cost 3,050,000 4,377,000
Total liabilities 4,737,000 6,123,000
Net liability $ (2,988,000) $ (2,511,000)