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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Cash flows from operating activities:    
Net loss $ (1,023,575) $ (2,154,375)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 87,276 95,445
Stock based compensation 356,228
Other income - PPP loan forgiveness (194,140)
Bad debts expense 53,217 22,667
Warrant market adjustment 652,025
Change in assets and liabilities:    
Royalty receivables (49,675) (105,780)
Prepaid expenses and other current assets (79,638) (49,743)
Accounts payable and accrued expenses (73,679) (115,475)
Deferred revenue 40,567 (14,668)
Net cash provided by (used) in operating activities (1,239,647) (1,313,676)
Cash flows from investing activities:    
Purchases of fixed assets (939) (62,968)
Proceeds from the sale of fixed assets 3,713
Net cash used in investing activities 2,774 (62,968)
Cash flows from financing activities:    
Net proceeds from issuances of common stock and warrants and exercise of options and warrants 284,207 5,705,898
Proceeds from PPP Program Funding 202,052
Net cash provided by financing activities 486,259 5,705,898
Net (decrease) / increase in cash and cash equivalents (750,614) 4,329,254
Cash and cash equivalents at beginning of period 6,591,960 2,969,416
Cash and cash equivalents at end of period $ 5,841,346 $ 7,298,670