Accounts payable and accrued expenses, and Other noncurrent liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 30, 2022
Accounts payable and accrued expenses, and Other noncurrent liabilities
Accounts payable	$ 6,719	$ 19,241
Commissions	615	631
Compensation and fringe benefits	1,958	1,607
Professional fees	199	175
Taxes, other than income	130	211
Finance lease liability	0	4
Operating lease liability	502	550
Employee Retention Tax Credit Payable	640
Product warranty	22	44
Accounts payable and accrued expenses	$ 10,785	$ 22,463