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Note 5 - Trade Accounts and Notes Receivable (Tables) | 9 Months Ended
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Jun. 30, 2024
Notes Tables |
Schedule of Accounts Receivable [Table Text Block] |
|  | June 30, 2024 |  |  | September 30, 2023 |
Trade accounts receivable |  | $ | 17,709 |  |  | $ | 20,282 |
Allowance for credit losses |  |  | (35 | ) |  |  | (125 | )
Total |  |  | 17,674 |  |  |  | 20,157 |
Less current portion |  |  | (16,164 | ) |  |  | (20,157 | )
Non-current trade accounts receivable |  | $ | 1,510 |  |  | $ | — |
Accounts Receivable, Allowance for Credit Loss [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | June 30, 2024 |  |  | June 30, 2023 |  |  | June 30, 2024 |  |  | June 30, 2023 |
Allowance for credit losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning of period |  |  | 67 |  |  |  | 706 |  |  |  | 125 |  |  |  | 591 |
Provision for credit losses |  |  | 5 |  |  |  | 16 |  |  |  | 60 |  |  |  | 400 |
Recoveries |  |  | (38 | ) |  |  | (194 | ) |  |  | (144 | ) |  |  | (441 | )
Write-offs |  |  | — |  |  |  | (321 | ) |  |  | (7 | ) |  |  | (327 | )
Currency translation |  |  | 1 |  |  |  | 1 |  |  |  | 1 |  |  |  | (15 | )
End of period |  | $ | 35 |  |  | $ | 208 |  |  | $ | 35 |  |  | $ | 208 |

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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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