Note 11 - Accrued and Other Liabilities - Summary of Accrued Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Sep. 30, 2023
Payroll and related	$ 2,074	$ 2,237
Deferred revenue	4,426
Accrued contract costs	862	825
Warranty reserve	76	132
Other	0	67
Total	7,683	7,466
Asset Purchase Holdback Liability [Member]
Acquisition liability	0	736
Acquisition Holdback Liability [Member]
Acquisition liability	245	0
Service [Member]
Deferred revenue	3,568	2,703
Hardware [Member]
Deferred revenue	$ 858	$ 766