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Consolidated Statements of Cash Flows (Unaudited) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2025 | Mar. 31, 2025 | Sep. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Cash flows from operating activities |  |  |  |  |  |  |
Net loss | $ (1,976,012) | $ (2,027,579) | $ (203,460) | $ (2,009,596) | $ (5,797,365) | $ (4,258,279) |
Adjustments to reconcile net loss to net cash used in operating activities: |  |  |  |  |  |  |
Stock-based compensation expense | 172,352 |  | 247,390 |  | 737,844 | 851,471 |
Amortization of held-to-maturity securities, net |  |  |  |  | (20,750) | (52,037) |
Amortization of debt issuance costs |  |  |  |  | 36,104 | 43,961 |
Gain from the sale of investment in Alphazyme |  |  |  |  |  | (60,977) |
Foreign currency exchange loss (gain), net |  |  |  |  | 35,924 | 14,044 |
Changes in operating assets and liabilities: |  |  |  |  |  |  |
Interest receivable |  |  |  |  | (9,869) | (30,752) |
Accounts receivable |  |  |  |  | (673,302) | 114,814 |
Prepaid expenses and other current assets |  |  |  |  | (36,916) | (46,386) |
Operating lease assets and liabilities |  |  |  |  | (133) | 1,163 |
Accounts payable |  |  |  |  | 681,546 | (109,426) |
Accrued expenses |  |  |  |  | 633,522 | 121,623 |
Accrued interest |  |  |  |  | (20,000) | 80,000 |
Accrued interest - related party |  |  |  |  | (2,040) | 28,000 |
Deferred research and development obligations |  |  |  |  | 503,325 | 24,370 |
Net cash (used in) operating activities |  |  |  |  | (3,932,110) | (3,278,411) |
Cash flows from investing activities |  |  |  |  |  |  |
Purchases of held-to-maturity investment securities |  |  |  |  | (5,090,846) | (5,971,505) |
Proceeds from maturities of investment securities |  |  |  |  | 4,704,772 | 2,771,000 |
Proceeds from the sale of investment in Alphazyme |  |  |  |  |  | 60,977 |
Net cash (used in) investing activities |  |  |  |  | (386,074) | (3,139,528) |
Cash flows from financing activities |  |  |  |  |  |  |
Proceeds from public offering, net of offering costs of $808,760 |  |  |  |  | 4,940,696 |  |
Proceeds from exercise of stock |  |  |  |  | 24,249 |  |
Proceeds from issuance of convertible notes, net of issuance costs |  |  |  |  |  | 3,882,884 |
Proceeds from issuance of convertible notes, net of issuance costs - related party |  |  |  |  |  | 1,941,442 |
Net cash provided by financing activities |  |  |  |  | 4,964,945 | 5,824,326 |
Effect of exchange rate changes on cash |  |  |  |  | 2,277 | 199 |
Net decrease in cash, cash equivalents and restricted cash and cash equivalents |  |  |  |  | 649,038 | (593,414) |
Cash, cash equivalents and restricted cash and cash equivalents at beginning of period |  | $ 6,506,750 |  | $ 6,515,028 | 6,506,750 | 6,515,028 | $ 6,515,028
Cash, cash equivalents and restricted cash and cash equivalents at end of period | 7,155,788 |  | 5,921,614 |  | 7,155,788 | 5,921,614 | 6,506,750
Reconciliation of cash, cash equivalents, and restricted cash and cash equivalents to the consolidated balance sheets |  |  |  |  |  |  |
Cash and cash equivalents | 5,834,510 |  | 5,921,614 |  | 5,834,510 | 5,921,614 | 6,506,750
Restricted cash and cash equivalents, current | 1,321,278 |  |  |  | 1,321,278 |  |
Total cash, cash equivalents, and restricted cash and cash equivalents | $ 7,155,788 |  | $ 5,921,614 |  | 7,155,788 | 5,921,614 |
Supplemental cash flow information |  |  |  |  |  |  |
Vesting of restricted stock units |  |  |  |  | 269,100 | 664,086 |
Conversion of convertible notes |  |  |  |  |  | 600,000 |
Cash paid for interest |  |  |  |  | 425,907 | 149,778 |
Supplemental noncash investing and financing information |  |  |  |  |  |  |
Fair value of warrants issued in connection with the offering |  |  |  |  | 168,881 |  |
Purchase and assignment of convertible note by related party |  |  |  |  | $ 1,000,000 |  |

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