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Condensed Statements of Cash Flows (Unaudited) - USD ($)
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Cash flows from operating activities:    
Net loss $ (3,286,022) $ (3,314,810)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 1,177,270 1,201,109
Share-based compensation expense 55,170 425,703
Stock issued for special stock bonus 862,230
Issuance cost of senior secured convertible note measured at fair value 138,992
Change in fair value of senior secured convertible note measured at fair value 31,568
Changes in operating assets and liabilities:    
Accounts receivable (35) (3,717)
Inventory 1,925 (2,062)
Other current assets 20,293 114,913
Accrued expenses and other current and long-term liabilities (55,409) (86,443)
Net cash used in operating activities (1,224,578) (1,494,747)
Cash flows from investing activities:    
Purchase of property and equipment (33,640) (4,428)
Decrease (increase) in refundable deposits and other assets 13,053 (106,852)
Net cash used in investing activities (20,587) (111,280)
Cash flows from financing activities:    
Proceeds from senior secured convertible notes payable 875,000
Proceeds from at the market offering, net of issuance costs 14,605
Payments of issuance cost of senior secured convertible note measured at fair value (97,500)
Net cash provided by financing activities 14,605 777,500
Effect from foreign currency exchange (34,073) (26,202)
Net decrease in cash and cash equivalents (1,264,633) (854,729)
Cash and cash equivalents at beginning of period 3,892,919 1,885,628
Cash and cash equivalents at end of period 2,628,286 1,030,899
Noncash financing and investing activities    
Conversion of senior secured convertible notes to common stock $ 1,188,430