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Note 2 - Revenue - Customer Accounts Receivable (Details) - USD ($)		9 Months Ended
		Jun. 30, 2024	Sep. 30, 2023
Trade accounts receivable		$ 5,229,249	$ 4,194,934
Unbilled revenue	[1]	1,423,346	1,240,097
Customer credit balances		1,075,453	1,972,132
Customer deposits		1,586,618	1,476,321
Increase (decrease) in Unbilled revenue	[1]	183,249
Increase (decrease) in Customer credit balances		(896,679)
Increase (decrease) in Customer deposits		110,297
Trade Accounts Receivable [Member]
Trade accounts receivable	[1]	3,783,662	$ 2,782,025
Increase (decrease) in Trade accounts receivable	[1]	$ 1,001,637
[1] Included in accounts receivable in the condensed consolidated balance sheet. Amounts shown net of reserve for credit losses.

X

- Definition

Amount of increase (decrease) of liability for consideration received or receivable from customer which is not included in the transaction price, when considered is expected to be refunded to customer.

+ References

No definition available.

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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current.

+ References

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

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