Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events - Equity offering (Details)

v3.21.2
Subsequent Events - Equity offering (Details) - USD ($)
 1 Months Ended 6 Months Ended
Jul. 02, 2021
Jun. 29, 2021
Jun. 23, 2021
Aug. 09, 2021
Jun. 30, 2021
Jun. 30, 2020
Subsequent Event [Line Items]            
Proceeds from issuance of preferred stock, gross         $ 40,613,126 $ 0
Proceeds from issuance of common shares, net of expenses         $ 22,878,849 $ 0
Series A Preferred Stock            
Subsequent Event [Line Items]            
Sale of common stock   1,700,000        
Proceeds from issuance of preferred stock, gross $ 47,600,000          
Proceeds from issuance of preferred stock, net $ 45,400,000          
Over-Allotment Option | Series A Preferred Stock            
Subsequent Event [Line Items]            
Sale of common stock 203,000   255,000      
Subsequent Events            
Subsequent Event [Line Items]            
Sale of common stock       1,582,717    
Proceeds from issuance of common shares, net of expenses       $ 8,014,203    
Subsequent Events | Series A Preferred Stock            
Subsequent Event [Line Items]            
Proceeds from issuance of preferred stock, net $ 45,400,000          
Subsequent Events | Over-Allotment Option | Series A Preferred Stock            
Subsequent Event [Line Items]            
Sale of common stock 203,000          
Proceeds from issuance of preferred stock, gross $ 5,100,000          
Proceeds from issuance of preferred stock, net $ 4,900,000