Annual report pursuant to Section 13 and 15(d)

Notes payable, net - Additional Information (Details)

v3.22.0.1
Notes payable, net - Additional Information (Details) - USD ($)
1 Months Ended 12 Months Ended
Jun. 28, 2021
Apr. 29, 2020
Apr. 20, 2020
Aug. 31, 2020
Dec. 31, 2016
Dec. 31, 2021
Dec. 31, 2020
Debt Instrument [Line Items]              
Interest rate             8.49%
Payment of remaining balance of long-term debt       $ 1,512,000   $ 0 $ 1,512,000
Note payable, net           1,993,000  
Cash           $ 40,406,000 $ 12,862,000
Unsecured debt              
Debt Instrument [Line Items]              
prime rate     1.00%        
Face amount     $ 1,086,000        
Debt term     2 years        
Extinguishment of debt amount $ 1,099,000            
Loan agreement              
Debt Instrument [Line Items]              
Borrowing capacity         $ 7,000,000    
Variable rate         5.41%    
Deferral principal payment period   3 months          
PWB loan agreement | Term loans              
Debt Instrument [Line Items]              
Borrowing capacity       $ 2,000      
Interest rate           4.70%  
prime rate       4.50%      
Available for corporate purposes       $ 480,000      
Note payable, net           $ 2,000  
PWB loan agreement | Prime rate | Term loans              
Debt Instrument [Line Items]              
Variable rate       0.50%