Promissory Note Receivable (Narrative) (Details) - USD ($) |
12 Months Ended | |||
|---|---|---|---|---|
Oct. 01, 2020 |
Jun. 30, 2023 |
Jun. 30, 2022 |
Jun. 19, 2023 |
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||
| Interest income | $ 213,000 | $ 177,000 | ||
| Convertible Promissory Note Receivable [Member] | ||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||
| Amount invested | $ 1,500,000 | |||
| Interest rate | 5.00% | |||
| Interest rate for first one year extension | 7.00% | |||
| Interest rate for second one year extension | 9.00% | |||
| Interest income | 75,000 | 75,000 | ||
| Note balance and accrued interest | $ 1,706,000 | $ 1,631,000 | ||