Quarterly report pursuant to Section 13 or 15(d)

Going Concern and Management's Plans (Details Narrative)

v3.20.1
Going Concern and Management's Plans (Details Narrative) - USD ($)
1 Months Ended 3 Months Ended
May 07, 2020
May 12, 2020
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Cash     $ 1,343,978   $ 3,975,494
Marketable securities     1,952,510   3,150,332
Working capital     2,158,590    
Accumulated deficit     (172,466,081)   $ (169,504,981)
Net loss     (2,961,100) $ (1,893,627)  
Cash used in operating activities     $ (3,413,141) $ (2,911,857)  
Subsequent Event [Member] | Paycheck Protection Program [Member]          
Proceeds from loans $ 856,000        
Subsequent Event [Member] | At the Market Offering [Member]          
Number of common stock shares sold   87,505      
Proceeds from sale of stock   $ 150,000