Annual report pursuant to Section 13 and 15(d)

Liquidity and Plan of Operations (Details Narrative)

v3.21.1
Liquidity and Plan of Operations (Details Narrative) - USD ($)
 1 Months Ended 12 Months Ended
Jan. 14, 2020
Jan. 14, 2020
Mar. 28, 2019
Mar. 19, 2019
Jan. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]              
Accumulated deficit           $ 107,500,000  
Net loss           22,400,000 $ 17,400,000
Proceeds from public offering $ 50,000,000.0         46,704,210 30,103,306
Cash and cash equivalents           12,432,481 22,170,438
Marketable securities           46,246,573 $ 5,604,634
Restricted cash           $ 300,000  
Subsequent Event [Member] | Market Sales Agreement [Member]              
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]              
Proceeds from public offering of common stock, gross         $ 5,800,000    
Proceeds from public offering         $ 5,600,000    
Sale of stock shares         3,023,147    
Underwritten Public Offering [Member]              
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]              
Proceeds from public offering of common stock, gross   $ 50,000,000.0   $ 30,000,000.0      
Proceeds from public offering   $ 46,700,000   $ 27,800,000      
Over-Allotment Option [Member]              
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]              
Proceeds from public offering     $ 2,300,000