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Consolidated Statements of Cash Flows - USD ($)
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Cash flows from operating activities:    
Net loss $ (1,846,352) $ (2,340,864)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 10,136 67,082
Unrealized loss on marketable securities 28,522
Share-based compensation 217,008 327,554
Bad debts 44,476 81,367
Other income - PPP loan forgiveness (202,052)
Change in assets and liabilities:    
Royalty receivables (277,819) (23,597)
Prepaid expenses and other current assets (36,420) 2,323
Accounts payable and accrued expenses 56,156 (156,770)
Deferred revenue (7,734)
Net cash used in operating activities (1,804,293) (2,252,691)
Cash flows from investing activities:    
Purchases of fixed assets (1,077) (56,536)
Purchases of marketable securities (3,433,633)
Sales of marketable securities 650,000
Proceeds from sale of fixed asset 3,713
Net cash used in investing activities (2,784,710) (52,823)
Cash flows from financing activities:    
Net proceeds from exercise of options and warrants 86,262 284,207
Proceeds from PPP loan 202,052
Net cash provided by financing activities 86,262 486,259
Net decrease in cash and cash equivalents (4,502,741) (1,819,255)
Cash and cash equivalents at beginning of year 4,772,705 6,591,960
Cash and cash equivalents at end of year $ 269,964 $ 4,772,705