Quarterly report pursuant to Section 13 or 15(d)

Discontinued Operations - Reconciliation of gross proceeds to net proceeds from sale transaction (Details)

v3.21.1
Discontinued Operations - Reconciliation of gross proceeds to net proceeds from sale transaction (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jan. 03, 2020
Feb. 28, 2021
Feb. 29, 2020
Feb. 28, 2021
Feb. 29, 2020
Mar. 31, 2021
Mar. 12, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Gross note receivable           $ 9,500,000  
Less: Transaction reconciliation - working capital adjustment           (2,600,000)  
Reserve for estimated potential claims           $ 2,900,000  
Gain from asset sale   $ 0 $ 15,682,000   $ 15,682,000    
Overall business | Disposal by sale              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Gross proceeds $ 19,200,000 19,166,000   $ 19,166,000      
Cash received at closing - asset sale (9,700,000)     (9,500,000)      
Cash received at closing - working capital       (166,000)      
Gross note receivable   9,500,000   9,500,000     $ 9,500,000
Less: Transaction reconciliation - working capital adjustment   (2,604,000)   (2,604,000)     (2,600,000)
Adjusted Note Receivable $ 9,500,000 6,896,000   6,896,000      
Reserve for estimated potential claims   2,892,000   2,892,000     $ 2,900,000
Long-term note receivable, estimated net realizable value   $ 4,004,000   $ 4,004,000