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Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Cash flows from operating activities |  |  |
Net income (loss) | $ (3,565,285) | $ 5,017,546 | $ 2,586,196
Less: Net loss from discontinued operations | 1,078,534 | 1,884,611 | 1,451,689
Net income (loss) from continuing operations | (2,486,751) | 6,902,157 | 4,037,885
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |  |
Amortization of intangible asset | 1,499,753 | 730,964 | 757,825
Allowance for credit losses - financing receivables | 92,036 | 2,245,159 | 0
Gain on debt extinguishment | (298,213) | 0 | 0
Inventory reserve | 0 | 0 | 12,376
Depreciation expense | 6,519 | 199,009 | 229,431
Amortization of intangible asset 1 | 21,071 | 10,920 | 8,092
Change in fair value of convertible note | 504,006 | 165,704 | 0
Change in fair value of warrant liabilities | 3,767,626 | 0 | 0
Accrued compensation on convertible note | 908,440 | 0 | 0
Amortization of right of use assets | 99,387 | 144,566 | 347,127
Gain from disposal of property, plant and equipment | 0 | (472) | 0
Loss (gain) on disposal of subsidiaries | 1,014,743 | (3,555,235) | 0
Changes in operating assets and liabilities: |  |  |
Accounts receivable | 4,854,593 | (3,545,224) | 709,744
Advances to suppliers | (3,761,291) | (17,956) | 2,505,273
Inventory | 14,653 | 105,321 | (146,555)
Prepaid expenses and other receivables | (2,013,531) | (65,840) | 351,840
Accounts payable | (817,724) | 1,304,624 | 667,291
Accrued liabilities and other payables | (277,410) | 825,251 | 620,983
Customer deposits | 308 | (64,449) | (1,896,172)
Lease liabilities | (162,385) | (144,566) | (366,772)
Taxes payable | 1,142,983 | 24,427 | 485,373
Net cash provided by continuing operations, operating activities | 4,058,813 | 5,264,360 | 8,323,741
Net cash used in discontinued operations, operating activities | (73,663) | (4,070) | (30,740)
Net cash provided by operating activities | 3,985,150 | 5,260,290 | 8,293,001
Cash flows from investing activities |  |  |
Acquisition of property, plant and equipment | (80,525) | (431) | (1,571)
Cash of disposed subsidiaries | (889) | 0 | 0
Proceeds from disposal of property, plant and equipment | 0 | 1,645 | 0
Acquisition of intangible assets | 0 | (213,170) | (2,692)
Financing receivables | (1,840,722) | (2,180,970) | (44,953,234)
Net cash used in continuing operations, investing activities | (1,922,136) | (2,392,926) | (44,957,497)
Net cash used in discontinued operations, investing activities | 0 | (182,557) | (41,910)
Net cash used in investing activities | (1,922,136) | (2,575,483) | (44,999,407)
Cash flows from financing activities |  |  |
Proceeds from loans from third parties | 2,223,000 | 224,521 | 0
Repayment of loans from third parties | (2,433,093) | 0 | (3,151,786)
Cancellation of common stock due to reverse split | 0 | 0 | (4,573)
Proceeds from bank loans | 0 | 0 | 3,875,478
Repayment of bank loans | 0 | (423,675) | (4,618,488)
Proceeds from (repayment of) loans from related parties, net | (964,656) | (217,305) | 9,921,233
Proceeds from (repayment of) convertible note | (285,714) | 1,999,990 | 0
Proceeds from issuance of common stock and warrants | 1,722,500 | 5,834,325 | 10,120,400
Proceeds from exercising of warrants | 3,199,187 | 0 | 0
Net cash used in continuing operations, financing activities | 3,461,224 | 7,417,856 | 16,142,264
Net cash provided by (used in) discontinued operations | 8,001 | 11,702 | (849,961)
Net cash provided by financing activities | 3,469,225 | 7,429,558 | 15,292,303
Effect of exchange rate changes on cash, cash equivalents and restricted cash | 553,862 | 29,356 | (3,171,267)
Net increase (decrease) in cash, cash equivalents and restricted cash | 6,086,101 | 10,143,721 | (24,585,370)
Cash, cash equivalents and restricted cash, beginning of year | 29,125,232 | 18,981,511 | 43,566,881
Cash, cash equivalents and restricted cash, end of year | 35,211,333 | 29,125,232 | 18,981,511
Supplemental disclosure information: |  |  |
Income taxes paid | 1,844,265 | 2,290,143 | 2,590,282
Interest paid | 254,783 | 92,181 | 474,579
Non-cash transactions of investing and financing activities |  |  |
Conversion of convertible note | 2,060,000 | 438,000 | 0
Consideration from disposal of subsidiaries offset with accounts payable | 250,149 | 0 | 0
Right-of-use assets (extinguished) obtained in exchange for lease liabilities | 1,094,557 | 0 | 0
Reclassification of warrant liability to equity upon exercise of warrants | 3,126,000 | 0 | 0
Reconciliation To Amounts On Consolidated Balance Sheets: |  |  |
Cash, cash equivalents and restricted cash | 35,190,663 | 29,061,639 | 18,927,840
Cash,cash equivalents and restricted cash included in current assets of discontinued operations | 20,670 | 63,593 | 53,671
Total cash, cash equivalents and restricted cash shown in the statement of cash flows | $ 35,211,333 | $ 29,125,232 | $ 18,981,511

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