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Nature of Business and Summary of Significant Accounting Policies (Details Narrative)
 3 Months Ended 6 Months Ended 12 Months Ended
Aug. 05, 2019
USD ($)
shares
Jun. 30, 2020
USD ($)
shares
Mar. 31, 2020
USD ($)
Jun. 30, 2019
USD ($)
Mar. 31, 2019
USD ($)
Jun. 30, 2020
USD ($)
Integer
shares
Jun. 30, 2019
USD ($)
Dec. 31, 2019
USD ($)
Dec. 23, 2019
USD ($)
shares
Jan. 02, 2019
USD ($)
Net losses   $ (497,894) $ (2,334,110) $ (387,730) $ (3,205,174) $ (2,832,004) $ (3,592,904) $ 10,000,000    
Accumulated deficit   $ (90,220,623)       (90,220,623)   (87,388,619)    
Lump sum payment received               6,000,000    
Proceeds from sale of common stock in underwritten public offering           12,829,241      
Proceeds from issuance of common stock upon exercise of warrants and options           5,203,122 1,564,000      
Issuenace of promissory note           1,568,900      
Proceeds from issuance of secured convertible notes payable           1,500,000      
Proceeds from exercise of warrants               1,564,000    
Unsecured promissory notes and detachable warrants           $ 419,000        
Short-term promissory note payable                 $ 300,000  
Warrants to purchase common stock | shares 571,248 2,686,582       2,686,582     107,000  
Proceeds from convertible debentures $ 2,780,000                  
Number of reportable segments | Integer           1        
Operating lease right of use assets   $ 769,635       $ 769,635   $ 122,459    
Operating lease obligations   $ 775,642       $ 775,642        
ASU 2016-02 Leases [Member]                    
Operating lease right of use assets                   $ 501,000
Operating lease obligations                   582,000
Deferred rent                   $ 81,000