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Note 10 - Accrued Liabilities and Other - Other Noncurrent Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Sep. 30, 2021
Contract liability, noncurrent $ 296  
Asset purchase holdback liability 699 $ 687
Total 995 995
Service [Member]    
Contract liability, noncurrent $ 296 $ 308