Note 16 - Subsequent Events (Details Textual) - USD ($) $ in Thousands	Nov. 11, 2022	Nov. 09, 2022	Sep. 30, 2022
Lessee, Operating Lease, Liability, to be Paid, Total			$ 171
Subsequent Event [Member]
Stock Repurchase Program, Authorized Amount		$ 1,000
Subsequent Event [Member] | Offices in Austin, Texas [Member]
Lessee, Operating Lease, Liability, to be Paid, Total	$ 87