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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 $ (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