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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