Quarterly report pursuant to Section 13 or 15(d)

Liquidity and Plan of Operations (Details Narrative)

v3.21.2
Liquidity and Plan of Operations (Details Narrative) - USD ($)
 6 Months Ended
Jun. 19, 2021
Jan. 14, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]            
Accumulated deficit     $ 118,098,218   $ 107,507,193  
Net loss     (9,700,000) $ (10,700,000)    
Proceeds from public offering   $ 50,000,000.0 5,580,471 46,639,210    
Cash and cash equivalents     30,352,359 14,904,000 12,432,481 $ 22,170,000
Marketable securities     29,490,430   $ 46,246,573  
Restricted cash     $ 300,000      
At The Market Sales Agreement [Member]            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]            
Proceeds from public offering       $ 5,600,000    
Common Stock [Member]            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]            
Issuance of common stock in public offering, net of stock issuance costs, shares 8,436,000 32,300,000 3,023,147