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Note 6 - Accrued Liabilities - Summary of Accrued Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Sep. 30, 2021
Compensation and benefits $ 397 $ 541
Professional fees 135 81
Taxes 77 84
Insurance 18 0
Other 150 202
Balance at end of period $ 777 $ 908