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Note 4 - Revenue Recognition (Tables)
6 Months Ended
Mar. 31, 2023
Notes Tables  
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]
   

Customer

deposits

   

Deferred

revenue

   

Total

contract

liabilities

 

Balance as of September 30, 2022

  $ 4,724     $ 2,054     $ 6,778  

New performance obligations

    4,831       1,215       6,046  

Recognition of revenue as a result of satisfying performance obligations

    (7,701 )     (1,489 )     (9,190 )

Effect of exchange rate on deferred revenue

    1       31       32  

Balance as of March 31, 2023

  $ 1,855     $ 1,811     $ 3,666  

Less: non-current portion

    -       (159 )     (159 )

Current portion as of March 31, 2023

  $ 1,855     $ 1,652     $ 3,507