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v3.25.1

Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Cash flows from operating activities |  |
Net loss | $ (5,809,159) | $ (6,795,461)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Stock-based compensation expense | 1,126,279 | 1,244,121
Amortization of held-to-maturity securities, net | (71,057) | (53,032)
Amortization of debt issuance costs | 63,021 | 0
Gain on investment in Alphazyme | (60,977) | (1,017,592)
Foreign currency exchange loss | 22,561 | 38,418
Changes in operating assets and liabilities: |  |
Interest receivable | (14,165) | 48,202
Accounts receivable | 219,425 | (141,332)
Prepaid expenses and other current assets | 24,742 | 64,902
Operating lease assets and liabilities, net | 1,169 | (4,510)
Accounts payable | (180,182) | (651,168)
Accrued expenses | 252,664 | 444,269
Deferred license revenue | 0 | (352,942)
Deferred research and development obligations | 343,700 | 449,370
Net cash used in operating activities | (3,974,806) | (6,726,755)
Cash flows from investing activities |  |
Purchases of held-to-maturity investment securities | (7,343,230) | (2,995,988)
Proceeds from maturities of investment securities | 5,406,000 | 9,148,000
Proceeds from the sale of investment in Alphazyme | 60,977 | 1,297,884
Net cash (used in) provided by investing activities | (1,876,253) | 7,449,896
Cash flows from financing activities |  |
Proceeds from exercise of options | 24,251 | 0
Net cash provided by financing activities | 5,848,577 | 0
Effect of exchange rate changes on cash | (5,796) | (2,385)
Net (decrease) increase in cash and cash equivalents | (8,278) | 720,756
Cash and cash equivalents at beginning of period | 6,515,028 | 5,794,272
Cash and cash equivalents at end of period | 6,506,750 | 6,515,028
Supplemental cash flow information |  |
Vesting of restricted stock units | 340,334 | 342,186
Conversion of convertible notes | 910,000 | 0
Cash paid for interest | 257,778 | 0
Right-of-use asset obtained in exchange for lease obligations | 0 | 156,983
Nonrelated Party [Member] |  |
Changes in operating assets and liabilities: |  |
Accrued interest | 80,000 | 0
Cash flows from financing activities |  |
Proceeds from issuance of convertible notes, net of issuance costs | 3,882,884 | 0
Related Party [Member] |  |
Changes in operating assets and liabilities: |  |
Accrued interest | 27,173 | 0
Cash flows from financing activities |  |
Proceeds from issuance of convertible notes, net of issuance costs | $ 1,941,442 | $ 0

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