Note 6 - Contingent Liabilities (Details Textual) - Pending Litigation [Member] |
6 Months Ended | 20 Months Ended | ||
|---|---|---|---|---|
Mar. 04, 2022 |
Jun. 29, 2020 |
Jun. 30, 2026 |
Mar. 04, 2022 |
|
| Loss Contingency, Number of Lawsuits | 3 | |||
| Trinity Life Insurance Company [Member] | ||||
| Loss Contingency, Number of Lawsuits | 1 | 1 | 2 |