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Note 20 - Condensed financial information of the parent company: Condensed Cash Flow Statement (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Cash flows from operating activities |  |  |
Net (loss) income attributable to Tungray Technologies Inc | $ (480,019) | $ 856,536 | $ 2,851,467
Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities |  |  |
Increase (Decrease) in Prepaid Expense | 530,103 | (275,082) | (221,842)
Net cash used in operating activities | (811,889) | 451,021 | 3,638,067
Cash flows from investing activities |  |  |
Net cash used in investing activities | (2,784,052) | (81,745) | (104,120)
Cash flows from financing activities |  |  |
Proceeds from issuance of shares upon IPO | 5,000,000 | 0 | 0
Proceeds from issuance of shares pursuant to exercise of over-allotment | 413,940 | 0 | 0
Payments of initial public offering costs | (1,418,521) | (474,972) | (680,125)
Net cash provided by (used in) financing activities | 2,792,522 | (2,805,308) | (1,397,286)
Effect of exchange rate change on cash and restricted cash | (526,628) | 108,141 | (342,913)
Cash and restricted cash - beginning of the year | 10,802,405 | 13,130,296 | 11,336,548
Cash and restricted cash - end of the year | 9,472,358 | 10,802,405 | 13,130,296
Cash | 8,968,814 | 10,802,405 | 13,130,296
Restricted cash | 503,544 | 0 | 0
Parent Company |  |  |
Cash flows from operating activities |  |  |
Net (loss) income attributable to Tungray Technologies Inc | (480,019) | 856,536 | 2,851,467
Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities |  |  |
Equity loss (income) of subsidiaries | 300,348 | (856,536) | (2,851,467)
Increase (Decrease) in Prepaid Expense | (39,625) | 0 | 0
Net cash used in operating activities | (219,296) | 0 | 0
Cash flows from investing activities |  |  |
Increase Decrease in Loans to subsidiaries | (1,214,729) | 0 | 0
Net cash used in investing activities | (1,214,729) | 0 | 0
Cash flows from financing activities |  |  |
Proceeds from issuance of shares upon IPO | 5,000,000 | 0 | 0
Proceeds from issuance of shares pursuant to exercise of over-allotment | 413,940 | 0 | 0
Payments of initial public offering costs | (1,418,521) | 0 | 0
Net cash provided by (used in) financing activities | 3,995,419 | 0 | 0
Effect of exchange rate change on cash and restricted cash | 0 | 0 | 0
Changes in cash and restricted cash | 2,561,394 | 0 | 0
Cash and restricted cash - beginning of the year | 0 | 0 | 0
Cash and restricted cash - end of the year | 2,561,394 | 0 | 0
Cash | 2,057,850 | 0 | 0
Restricted cash | $ 503,544 | $ 0 | $ 0

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- Definition Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-8 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(1)(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 + Details
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