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Note 5 - Trade Accounts and Financing Receivables (Tables) | 3 Months Ended
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Dec. 31, 2024
Notes Tables |
Schedule of Accounts Receivable [Table Text Block] |
|  | December 31, 2024 |  |  | September 30, 2024 |
Trade accounts receivable |  | $ | 19,510 |  |  | $ | 16,151 |
Allowance for credit losses |  |  | (4 | ) |  |  | (4 | )
Total |  |  | 19,506 |  |  |  | 16,147 |
Less current portion |  |  | (19,506 | ) |  |  | (14,637 | )
Non-current trade accounts receivable |  | $ | — |  |  | $ | 1,510 |
Accounts Receivable, Allowance for Credit Loss [Table Text Block] |
|  | Three Months Ended |
|  | December 31, 2024 |  |  | December 31, 2023 |
Allowance for credit losses: |  |  |  |  |  |  |  |
Beginning of period |  |  | 4 |  |  |  | 125 |
Provision for credit losses |  |  | — |  |  |  | 43 |
Recoveries |  |  | — |  |  |  | (72 | )
Write-offs |  |  | — |  |  |  | (7 | )
Currency translation |  |  | — |  |  |  | 3 |
End of period |  | $ | 4 |  |  | $ | 92 |

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- Definition Tabular disclosure of allowance for credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
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