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Note 4 - Revenue Recognition - Contract Asset and Contract Liabilities (Details)
$ in Thousands
9 Months Ended
Jun. 30, 2022
USD ($)
Balance $ 10,129
New performance obligations 11,084
Recognition of revenue as a result of satisfying performance obligations (12,960)
Effect of exchange rate on deferred revenue (10)
Balance 8,243
Less: non-current portion (262)
Current portion 7,981
Customer Deposits [Member]  
Balance 8,701
New performance obligations 9,701
Recognition of revenue as a result of satisfying performance obligations (11,499)
Effect of exchange rate on deferred revenue 0
Balance 6,903
Less: non-current portion 0
Current portion 6,903
Deferred Revenue [Member]  
Balance 1,428
New performance obligations 1,383
Recognition of revenue as a result of satisfying performance obligations (1,461)
Effect of exchange rate on deferred revenue (10)
Balance 1,340
Less: non-current portion (262)
Current portion $ 1,078