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Note 10 - Accrued and Other Liabilities - Summary of Accrued Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Sep. 30, 2022
Payroll and related $ 2,539 $ 3,003
Deferred revenue 4,051  
Accrued contract costs 672 809
Warranty reserve 153 159
Canadian goods and services and harmonized sales tax payable 0 1,556
Asset purchase holdback liability 742 0
Other 25 5
Total 8,182 12,083
Service [Member]    
Deferred revenue 2,094 1,827
Hardware [Member]    
Deferred revenue $ 1,957 $ 4,724