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Note 5 - Trade Accounts and Financing Receivables (Tables) | 9 Months Ended
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Jun. 30, 2025
Notes Tables |
Schedule of Accounts Receivable [Table Text Block] |
|  | June 30, 2025 |  |  | September 30, 2024 |
Trade accounts receivable |  | $ | 13,692 |  |  | $ | 16,151 |
Allowance for credit losses |  |  | (24 | ) |  |  | (4 | )
Total |  |  | 13,668 |  |  |  | 16,147 |
Less current portion |  |  | (13,668 | ) |  |  | (14,637 | )
Non-current trade accounts receivable |  | $ | — |  |  | $ | 1,510 |
Accounts Receivable, Allowance for Credit Loss [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | June 30, 2025 |  |  | June 30, 2024 |  |  | June 30, 2025 |  |  | June 30, 2024 |
Allowance for credit losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning of period |  | $ | 21 |  |  | $ | 67 |  |  | $ | 4 |  |  | $ | 125 |
Provision for credit losses |  |  | 4 |  |  |  | 5 |  |  |  | 24 |  |  |  | 60 |
Recoveries |  |  | (3 | ) |  |  | (38 | ) |  |  | (3 | ) |  |  | (144 | )
Charge-offs, net |  |  | 2 |  |  |  | — |  |  |  | (1 | ) |  |  | (7 | )
Currency translation |  |  | — |  |  |  | 1 |  |  |  | — |  |  |  | 1 |
End of period |  | $ | 24 |  |  | $ | 35 |  |  | $ | 24 |  |  | $ | 35 |
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] |
|  | June 30, 2025 |  |  | September 30, 2024 |
Promissory notes |  | $ | 13,087 |  |  | $ | 12,996 |
Sales-type lease |  |  | 12,056 |  |  |  | — |
Total financing receivables |  |  | 25,143 |  |  |  | 12,996 |
Discount to fair value and unearned income |  |  | (933 | ) |  |  | (900 | )
Total financing receivables, net |  |  | 24,210 |  |  |  | 12,096 |
Less current portion |  |  | (18,640 | ) |  |  | (7,231 | )
Non-current financing receivables |  | $ | 5,570 |  |  | $ | 4,865 |

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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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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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