Convertible Promissory Note Receivable (Narrative) (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Oct. 01, 2020 |
Jun. 30, 2022 |
Jun. 30, 2021 |
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||
| Interest income | $ 178,000 | $ 140,000 | |
| Convertible Promissory Note Receivable [Member] | |||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||
| Amount invested | $ 1,500,000 | ||
| Interest rate | 5.00% | ||
| Interest income | 75,000 | 56,000 | |
| Note balance and accrued interest | $ 1,631,000 | $ 1,556,000 | |