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v3.24.0.1

Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Cash flows from operating activities: |  |
Net loss | $ (1,908,364) | $ (2,669,349)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 27,348 | 28,837
Realized (gain) loss on marketable securities | (57,149) | 60,143
Share-based compensation | 144,728 | 232,291
Bad debts | 95,000 | 141,772
ROU asset amortization | 144,794 | 146,315
Change in assets and liabilities: |  |
Royalty receivables | (508,805) | 100,266
Prepaid expenses and other assets | 4,189 | (30,542)
Accounts payable and accrued expenses | (40,386) | (10,387)
Operating lease liability | (196,406) | (182,091)
Net cash used in operating activities | (2,295,051) | (2,182,745)
Cash flows from investing activities: |  |
Purchases of fixed assets | (1,558) | (1,271)
Purchases of marketable securities | (5,434,386) |
Sales and maturities of marketable securities | 5,491,535 | 2,694,968
Net cash provided by investing activities | 55,591 | 2,693,697
Cash flows from financing activities: |  |
Net proceeds from exercise of warrants | 484,502 |
Proceeds from issuance of common stock and warrants |  | 3,450,000
Net cash provided by financing activities | 484,502 | 3,450,000
Net (decrease) increase in cash and cash equivalents | (1,754,958) | 3,960,952
Cash and cash equivalents at beginning of year | 4,230,916 | 269,964
Cash and cash equivalents at end of year | $ 2,475,958 | $ 4,230,916

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