Note 10 - Subordinated Debt (Details Textual) - USD ($) $ in Thousands |
9 Months Ended | |||
|---|---|---|---|---|
Jun. 01, 2021 |
May 19, 2016 |
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| Subordinated Debt [Member] | London Interbank Offered Rate (LIBOR) [Member] | Scenario, Forecast [Member] | ||||
| Debt Instrument, Basis Spread on Variable Rate | 4.79% | |||
| Subordinated Debt [Member] | ||||
| Debt Instrument, Interest Rate, Stated Percentage | 6.00% | |||
| Proceeds from Issuance of Subordinated Long-term Debt | $ 25,000 | |||
| Payments of Debt Issuance Costs | $ 533 | $ 533 | ||