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Note 8 - Trade Accounts and Financing Receivables - Schedule of Notes Receivable (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Sep. 30, 2024
--- | --- | ---
Financing Receivable, before Allowance for Credit Loss | $ 24,451 | $ 12,996
Discount to fair value and unearned income | (914) | (900)
Total financing receivables, net | 23,537 | 12,096
Less current portion | (15,347) | (7,231)
Non-current financing receivables | 8,190 | 4,865
Promissory Notes [Member] |  |
Financing Receivable, before Allowance for Credit Loss | 19,149 | 12,996
Sales Type Lease [Member] |  |
Financing Receivable, before Allowance for Credit Loss | $ 5,302 | $ 0

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