Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Underwritten Registered and ATM Offerings (Details)

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Stockholders' Equity - Underwritten Registered and ATM Offerings (Details) - USD ($)
6 Months Ended
Jan. 21, 2020
Jun. 30, 2021
Jun. 30, 2020
Proceeds from the issuance of common stock   $ 26,304,282 $ 36,998,653
January 2020 Offering      
Issuance of common stock (in shares) 2,857,142    
Warrants to purchase common stock 1,428,571    
Proceeds from offering $ 7,000,000    
At The Market Offering      
Number of common stock sold   2,106.027  
Average price of common stock   $ 12.18  
Proceeds from the issuance of common stock   $ 25,646,099  
Percentage of commission for common stock sold   3.00%