Quarterly report pursuant to Section 13 or 15(d)

Notes Payable, Net - Additional Information (Details)

v3.20.2
Notes Payable, Net - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
Apr. 29, 2020
Apr. 20, 2020
Aug. 30, 2020
Dec. 31, 2016
Sep. 30, 2020
Sep. 30, 2020
Sep. 30, 2019
Aug. 31, 2020
Dec. 31, 2019
Debt Instrument [Line Items]                  
Payment of remaining balance of long-term debt           $ 1,512,000 $ 0    
Debt outstanding         $ 1,993,000 1,993,000      
Cash         14,549,000 14,549,000     $ 10,872,000
Unsecured debt                  
Debt Instrument [Line Items]                  
Interest rate   1.00%              
Debt outstanding         $ 1,086,000 $ 1,086,000      
Face amount   $ 1,086,000              
Debt term   2 years              
Loan agreement                  
Debt Instrument [Line Items]                  
Received loan       $ 7,000,000          
Deferral principal payment period 3 months                
Effective rate         7.55% 8.49%      
Loan agreement | LIBOR                  
Debt Instrument [Line Items]                  
Variable rate percentage       5.41%          
PWB loan agreement | Term loan                  
Debt Instrument [Line Items]                  
Received loan         $ 2,000,000 $ 2,000,000   $ 2,000,000  
Effective rate         4.62% 4.62%      
Interest rate               4.50%  
Available for corporate purposes         $ 480,000 $ 480,000      
Debt outstanding         $ 2,000,000 $ 2,000,000      
Debt term     3 years            
PWB loan agreement | Prime rate | Term loan                  
Debt Instrument [Line Items]                  
Variable rate percentage     0.50%