Quarterly report pursuant to Section 13 or 15(d)

Note Payable, net - Additional Information (Details)

v3.21.2
Note Payable, net - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 28, 2021
Apr. 29, 2020
Apr. 20, 2020
Aug. 30, 2020
Dec. 31, 2016
Jun. 30, 2021
Jun. 30, 2021
Dec. 31, 2020
Aug. 31, 2020
Debt Instrument [Line Items]                  
Cash           $ 45,938,000 $ 45,938,000 $ 12,862,000  
Unsecured debt                  
Debt Instrument [Line Items]                  
Interest rate     1.00%            
Received net proceeds     $ 1,086,000            
Debt term     2 years            
Extinguishment of debt $ 1,099,000                
Loan Agreement                  
Debt Instrument [Line Items]                  
Received loan         $ 7,000,000        
Deferral principal payment period   3 months              
Effective rate               8.49%  
Payment of remaining balance of long-term debt             $ 1,512,000    
PWB Loan Agreement | Term Loan                  
Debt Instrument [Line Items]                  
Received loan                 $ 2,000
Effective rate           4.70% 4.70%    
Interest rate                 4.50%
Available for corporate purposes           $ 480,000 $ 480,000    
Total principal payments           $ 2,000,000 $ 2,000,000    
LIBOR | Loan Agreement                  
Debt Instrument [Line Items]                  
Variable rate percentage         5.41%        
Prime Rate | PWB Loan Agreement | Term Loan                  
Debt Instrument [Line Items]                  
Variable rate percentage       0.50%