Quarterly report pursuant to Section 13 or 15(d)

Convertible Promissory Note Receivable (Details)

v3.20.4
Convertible Promissory Note Receivable (Details) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Oct. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Interest income   $ 27,000 $ 4,000 $ 31,000 $ 8,000
Convertible Promissory Note Receivable          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Amount invested $ 1,500,000        
Interest rate 5.00%        
Interest income   19,000,000   19,000,000  
Note balance and accrued interest   $ 1,519,000   $ 1,519,000