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Unaudited Condensed Consolidated Statements of Cash Flows
 3 Months Ended 12 Months Ended
Mar. 31, 2025
USD ($)
Mar. 31, 2024
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Cash flows from operating activities        
Net loss $ (944,190) $ (2,927,667) $ (5,259,037) $ (8,280,844)
Adjustments to reconcile net loss to net cash used in operating activities:        
Depreciation 7,021 1,286 32,025 28,531
Stock-based compensation 48,773 2,031,631 2,773,460 185,933
Provision for doubtful accounts   11,993 1,455,101
Other non-cash expenses 210,040 176,283 532,769 1,244,245
Loss on investment in equity securities 50,877 339,171 221,888
Amortization of right-of-use asset 106,927 101,260 168,896 351,859
Deferred tax expense     115,668
Changes in operating assets and liabilities:        
Accounts receivable     228,557
Inventories (11,460)    
Prepaid expenses and other current assets (149) (53,380) 12,948 101,926
Due from related parties 54,113 (140,364) (293,962) (321,776)
Accrued expenses and other current liabilities 40,113 (43,605) 152,819 638,762
Contract liabilities     1,615 68,515
Other assets – tenant security deposit 5,029 13,700
Taxes payables     (112,946) 112,946
Operating lease liabilities (106,927) (101,260) (168,896) (351,859)
Net cash used in operating activities (539,833) (955,816) (1,809,145) (4,186,848)
Cash flows from investing activities        
Purchase of equipment     (21,201)
Prepayment for equity investment     (338,985)
Net cash used in investing activities (360,186)
Cash flows from financing activities        
Issuance of common stock     1,050,000
Proceeds from short-term loans 30,000    
Repayment of short-term loans (29,250) (29,152) (1,000,000)
Proceeds from issuance of warrants 394,071 394,071 2,406,338
Proceeds from exercise of warrants 411,667 947,500
Proceeds from (repayment of) related party payables     599,552 (186,499) [1]
Proceeds from convertible notes payable 282,095 342,095 1,462,622
Due to related parties, net 46,339 217,981    
Repayment of convertible notes payable     (327,017)
Repurchase of treasury stocks     (7,320)
Proceeds from issuance of a promissory note     30,000
Proceeds from common stock subscription     31,040
Proceeds from subsidiary's executive contribution     137,500
Net cash provided by financing activities 428,756 924,147 1,980,769 3,869,961
Effect of exchange rate changes on cash and cash equivalents and restricted cash 6,830 (26,109) (24,589) 2,125
Net decrease in cash and cash equivalents and restricted cash (104,247) (57,778) 147,035 (674,948)
Cash and cash equivalents and restricted cash        
Beginning 863,815 716,780 716,780 1,391,728
Ending 759,568 659,002 863,815 716,780
Supplemental disclosure of cash flows        
Interest expense paid 5,231 5,701 22,539 33,180
Income taxes paid 25,863 27,392
Non-cash financing and investing activities        
Prepayment for asset acquisition by issuing common stock to a third party     691,900
Acquiring control of the land 7,670,000    
Issuance of common stock for conversion of debt 47,579 467,574 593,714 1,786,686
Conversion of convertible note due from related parties to equity investment $ 563,819    
Issuance of subsidiary’s common stock for consulting services     $ 383,500
[1] Due to related parties previously reported amount was reclassified to financing activities based on current year’s presentation.