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v3.25.2

Note 2 - Revenue - Customer Accounts Receivable (Details) - USD ($) | 9 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2025 | Mar. 31, 2025 | Sep. 30, 2024
Trade accounts receivable |  | $ 6,170,064 |  | $ 4,483,739
Unbilled revenue |  |  | $ 1,341,438 | 1,294,798
Customer credit balances |  | 1,013,910 | 1,013,910 | 1,915,859
Customer deposits |  | 1,492,550 | 1,492,550 | 1,488,113
Increase (decrease) in Unbilled revenue | [1] | 46,640 |  |
Increase (decrease) in Customer credit balances |  | (901,949) |  |
Increase (decrease) in Customer deposits |  | 4,437 |  |
Trade Accounts Receivable [Member] |  |  |  |
Trade accounts receivable |  |  | $ 4,723,496 | $ 3,080,140
Increase (decrease) in Trade accounts receivable | [1] | $ 1,643,356 |  |
[1] | Included in "Accounts receivable, net" in the consolidated balance sheet. Amounts shown net of reserve for bad debts.

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