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v3.24.1

Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Cash flows from operating activities |  |
Net loss | $ (6,795,461) | $ (9,735,258)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Stock-based compensation expense | 1,244,121 | 1,888,944
Amortization of held-to-maturity securities, net | (53,032) | 33,790
Gain on investment in Alphazyme | (1,017,592) | 0
Foreign currency exchange loss | 38,418 | 49,918
Changes in operating assets and liabilities: |  |
Operating lease assets and liabilities, net | (4,510) | 0
Interest receivable | 48,202 | 36,090
Accounts receivable | (141,332) | (83,265)
Prepaid expenses and other current assets | 64,902 | (13,925)
Accounts payable | (651,168) | (248,128)
Accrued expenses | 444,269 | 245,521
Deferred license revenue | (352,942) | (147,058)
Deferred research and development obligations | 449,370 | (110,404)
Net cash used in operating activities | (6,726,755) | (8,083,775)
Cash flows from investing activities |  |
Purchases of held-to-maturity investment securities | (2,995,988) | (9,869,280)
Proceeds from maturities of investment securities | 9,148,000 | 7,500,000
Proceeds from the sale of investment in Alphazyme | 1,297,884 | 0
Net cash provided by (used in) investing activities | 7,449,896 | (2,369,280)
Cash flows from financing activities |  |
Proceeds from exercise of options | 0 | 543,591
Net cash provided by financing activities | 0 | 543,591
Effect of exchange rate changes on cash | (2,385) | (44,744)
Net decrease in cash and cash equivalents | 720,756 | (9,954,208)
Cash and cash equivalents at beginning of period | 5,794,272 | 15,748,480
Cash and cash equivalents at end of period | 6,515,028 | 5,794,272
Supplemental cash flow information |  |
Vesting of restricted stock units | 342,186 | 0
Right-of-use asset obtained in exchange for lease obligations | $ 156,983 | $ 0

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