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Note 10 - Accrued and Other Liabilities - Summary of Accrued Liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Sep. 30, 2021
Payroll and related $ 2,477 $ 3,726
Contract liability, current 6,722  
Accrued contract costs 710 416
Warranty reserve 150 146
Other 102 2
Total 10,161 14,111
Service [Member]    
Contract liability, current 982 1,120
Hardware [Member]    
Contract liability, current $ 5,740 $ 8,701