Quarterly report pursuant to Section 13 or 15(d)

Convertible Promissory Note Receivable (Narrative) (Details)

v3.21.1
Convertible Promissory Note Receivable (Narrative) (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
Oct. 31, 2020
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2021
Mar. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Interest income   $ 152,000 $ 4,000 $ 183,000 $ 12,000
Convertible Promissory Note Receivable [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Amount invested $ 1,500,000        
Interest rate 5.00%        
Interest income   18,000   37,000  
Note balance and accrued interest   $ 1,537,000   $ 1,537,000