Note 10 - Debt Financing (Details Textual) - USD ($) $ in Thousands |
Jun. 30, 2022 |
Sep. 30, 2023 |
---|---|---|
Percentage of Face Amount of Letters of Credit As Collateral | 150.00% | |
Payment, Basis Points on Face Value of Letters of Credit | 2.50% | |
Letters of Credit Outstanding, Amount | $ 992 | |
Asset Pledged as Collateral [Member] | ||
Investments | $ 1,488 |