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Consolidated Statements of Cash Flows (Unaudited) - USD ($)
 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Cash flows from operating activities:    
Net loss $ (2,051,960) $ (1,745,505)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 135,400 131,725
Warrant market adjustment 286,631
Stock based compensation 69,309
Bad debts (1,785)
Change in assets and liabilities:    
Royalty receivables (54,350) 336,739
Prepaid expenses and other current assets (67,093) 205,825
Accounts payable and accrued expenses 7,099 46,666
Deferred revenue 38,142 5,815
Net cash used in operating activities (1,636,821) (1,020,520)
Cash flows from investing activities:    
Purchases of fixed assets (11,295) (6,362)
Proceeds from sale of investment 1,523,333
Net cash provided by (used in) investing activities (11,295) 1,516,971
Cash flows from financing activities:    
Proceeds for issuance of common stock and warrants 3,026,630
Proceeds for issuance of common stock and warrants 223,370
Proceeds from exercise of warrants 61,111
Net cash provided by financing activities 3,311,111
Net increase in cash and cash equivalents 1,662,995 496,451
Cash and cash equivalents at beginning of period 1,737,847 1,691,603
Cash and cash equivalents at end of period $ 3,400,842 $ 2,188,054