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Note 10 - Accrued and Other Liabilities - Summary of Accrued Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Sep. 30, 2021
Payroll and related $ 2,756 $ 3,726
Contract liability, current 7,981  
Accrued contract costs 932 416
Warranty reserve 158 146
Other 0 2
Total 11,827 14,111
Service [Member]    
Contract liability, current 1,078 1,120
Hardware [Member]    
Contract liability, current $ 6,903 $ 8,701