Quarterly report pursuant to Section 13 or 15(d)

Common Stock - February 2021 Public Offering (Details)

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Common Stock - February 2021 Public Offering (Details) - USD ($)
 3 Months Ended 9 Months Ended
Feb. 28, 2021
Mar. 31, 2021
Sep. 30, 2021
Sep. 30, 2020
Net proceeds from offering     $ 21,204,609 $ 0
Common Stock.        
Number of shares issued and sold   1,352,975    
Common Stock. | February 2021 Public Offering        
Number of shares issued and sold 1,352,975      
Offering price $ 17.00      
Net proceeds from offering $ 21,200,000      
Common Stock. | Underwriters option        
Number of shares issued and sold 176,475