Quarterly report pursuant to Section 13 or 15(d)

Related Parties - Additional Information (Details)

v3.21.2
Related Parties - Additional Information (Details) - USD ($)
1 Months Ended 9 Months Ended
Mar. 31, 2021
Dec. 31, 2017
Jun. 30, 2021
Affiliated Entity      
Related Party Transaction [Line Items]      
Debt instrument, face amount $ 800,000    
Interest rate 4.00%    
Annual principal payment $ 100,000    
Affiliated Entity | Class B Common Stock      
Related Party Transaction [Line Items]      
Shares pledged as collateral (in shares) 30,000 140,389  
Affiliated Entity | Class A Common Stock      
Related Party Transaction [Line Items]      
Shares pledged as collateral (in shares) 7,500    
SunTx Capital Partners | Affiliated Entity      
Related Party Transaction [Line Items]      
Payment to related party     $ 270,000
Consideration Note Receivable      
Related Party Transaction [Line Items]      
Note receivable as consideration for sale of the wholly-owned subsidiary   $ 1,000,000.0  
Accounts Payable Note Receivable      
Related Party Transaction [Line Items]      
Note receivable as consideration for sale of the wholly-owned subsidiary   $ 1,000,000.0  
Other Current Assets | Consideration Note Receivable      
Related Party Transaction [Line Items]      
Note receivable as consideration for sale of the wholly-owned subsidiary     100,000
Other Current Assets | Accounts Payable Note Receivable      
Related Party Transaction [Line Items]      
Note receivable as consideration for sale of the wholly-owned subsidiary     100,000
Other Assets | Consideration Note Receivable      
Related Party Transaction [Line Items]      
Note receivable as consideration for sale of the wholly-owned subsidiary     500,000
Other Assets | Accounts Payable Note Receivable      
Related Party Transaction [Line Items]      
Note receivable as consideration for sale of the wholly-owned subsidiary     $ 300,000