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Note 10 - Accrued and Other Liabilities - Summary of Accrued Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Sep. 30, 2022
Payroll and related $ 2,237 $ 3,003
Deferred revenue 3,469  
Accrued contract costs 825 809
Warranty reserve 132 159
Canadian goods and services and harmonized sales tax payable 0 1,556
Asset purchase holdback liability 736 0
Other 67 5
Total 7,466 12,083
Service [Member]    
Deferred revenue 2,703 1,827
Hardware [Member]    
Deferred revenue $ 766 $ 4,724