Quarterly report pursuant to Section 13 or 15(d)

Discontinued Operations - Notes receivable (Details)

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Discontinued Operations - Notes receivable (Details) - USD ($)
May 31, 2021
Feb. 28, 2021
Dec. 31, 2020
Aug. 31, 2020
Jan. 03, 2020
Jan. 01, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Discount rate (as a percent)     15.00% 15.00%   10.00%
Disposal by sale            
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Adjusted Note Receivable $ 9,500,000          
Disposal by sale | Overall business            
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Adjusted Note Receivable 6,896,000       $ 9,500,000  
Lower net assets transferred at closing 88,000          
Liabilities paid on behalf of the Company 2,516,000          
Percentage of gross wages   90.00%        
Estimated amount of gross wages 2,900,000          
Additional reserve on lower end of the range of gross wages $ 2,600,000