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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Cash flows from operating activities:          
Net loss $ (397,712) $ (688,301) $ (2,552,087) $ (2,051,960)  
Adjustments to reconcile net loss to net cash used in operating activities:          
Depreciation and amortization     146,496 135,400  
Stock-based compensation     356,228 69,309  
Provision for doubtful accounts     22,667  
Warrant market adjustment 286,631 652,025 286,631 $ 278,044
Change in assets and liabilities:          
Royalty receivables     (108,750) (54,350)  
Prepaid expenses and other current assets     (53,155) (67,093)  
Accounts payable and accrued expenses     (142,477) 7,100  
Deferred revenue     21,095 38,142  
Net cash used in operating activities     (1,657,958) (1,636,821)  
Cash flows from investing activities:          
Purchases of fixed assets     (65,081) (11,295)  
Net cash used in investing activities     (65,081) (11,295)  
Cash flows from financing activities:          
Net proceeds from issuances of common stock and warrants and exercise of options and warrants     5,770,545 3,311,111  
Net cash provided by financing activities     5,770,545 3,311,111  
Net increase in cash and cash equivalents     4,047,506 1,662,995  
Cash and cash equivalents at beginning of period     2,969,416 1,737,847 1,737,847
Cash and cash equivalents at end of period $ 7,016,922 $ 3,400,842 7,016,922 3,400,842 $ 2,969,416
Supplemental disclosure of non-cash activities:          
Right of use assets obtained in exchange for operating lease liabilities     $ 941,284