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Note 3 - Accounts and notes receivable, net: Summary of accounts and notes receivable (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Details
Accounts receivable	$ 2,605,556	$ 3,960,409
Notes receivable	322,908	86,623
Allowance for credit losses	(534,562)	(472,293)	$ (303,311)	$ (310,968)
Total accounts and notes receivable, net	$ 2,393,902	$ 3,574,739

X

- Definition

Amount of allowance for credit loss of accounts and financing receivables. Includes, but is not limited to, notes and loan receivable.

+ References

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-SubTopic 10
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-Section 50
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-Publisher FASB
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- Definition

Amount, after allowance for credit loss, of accounts and financing receivables, classified as current. Includes, but is not limited to, notes and loan receivable.

+ References

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- Definition

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

+ References

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- Definition

Amortized cost, before allowance for credit loss, of financing receivable classified as current. Excludes net investment in lease.

+ References

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