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Note 4 - Accounts Receivable - Allowance for Doubtful Accounts (Details) - USD ($)	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Allowance for doubtful accounts	$ 637,556	$ 134,912
Bad debt expense	12,007	578,423
Receivables written off during the periods	(11,123)	(49,577)
Effect of exchange rate changes	22,540	(26,202)
Allowance for doubtful accounts	$ 660,980	$ 637,556

X

- Definition

The effects of currency translation of accounts receivable charged against the allowance of doubtful accounts.

+ References

No definition available.

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X

- Definition

Amount of allowance for credit loss on accounts receivable.

+ References

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X

- Definition

Amount of direct write-downs of accounts receivable charged against the allowance.

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Amount of expense (reversal of expense) for expected credit loss on accounts receivable.

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