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Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
CASH FLOWS FROM OPERATING ACTIVITIES |  |
Net loss | $ (29,252,284) | $ (22,811,230)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 669,409 | 961,281
Stock-based compensation | 2,449,191 | 3,208,103
Realized gain on short-term investments | (113,072) | (443,392)
Patent impairment | 118,831 |
Change in fair value of warrant liability | 5,359,780 |
Accretion of interest and amortization of debt issuance costs | 1,177,174 |
Changes in operating assets and liabilities: |  |
Prepaid expenses, operating lease right-of-use assets, and other current assets | (646,282) | (1,403,049)
Accounts payable | 100,815 | 41,020
Accrued expenses, lease liabilities, and other current liabilities | 10,642,938 | 969,662
Net cash used in operating activities | (9,493,500) | (19,477,605)
CASH FLOWS FROM INVESTING ACTIVITIES |  |
Purchase of property and equipment | (1,051,481) | (1,045,822)
Acquisition of intangible asset | (954,229) | (718,711)
Disposal of assets | 265,940 | 180,898
Purchase of short-term investments | (7,562,761) | (21,573,199)
Proceeds from maturity of short-term investments | 12,237,761 | 29,519,000
Net cash provided by investing activities | 2,935,230 | 6,362,166
CASH FLOWS FROM FINANCING ACTIVITIES |  |
Proceeds from at-the-market equity financing, net of issuance costs | 6,789,427 | 1,747,468
Proceeds from public issuance of common stock and pre-funded warrants and exercise of pre-funded warrants, net of offering costs | 22,369,285 | 4,380,975
Proceeds from the Notes, net of issuance costs | 1,801,265 |
Repayment of the Notes | (4,375,000) |
Proceeds from exercise of stock options |  | 8,528
Issuance costs for stock dividend and restricted stock units | (597) | (16,182)
Net cash provided by financing activities | 26,584,380 | 6,120,789
Net increase (decrease) in cash and cash equivalents and restricted cash | 20,026,110 | (6,994,650)
Cash and cash equivalents and restricted cash, beginning of year | 3,591,623 | 10,586,273
Cash and cash equivalents and restricted cash, end of year | 23,617,733 | 3,591,623
Supplemental disclosure: |  |
Recognition of operating lease right-of-use asset and operating lease liabilities | 2,037,052 | 1,212,760
Stock dividend |  | $ 1,460,126

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