XML 50 R37.htm IDEA: XBRL DOCUMENT v3.21.1
NOTE PAYABLE (Details) - USD ($)
$ in Thousands, shares in Millions
3 Months Ended 12 Months Ended
Oct. 23, 2020
Apr. 17, 2020
Sep. 30, 2020
Dec. 31, 2020
Debt Instrument [Line Items]        
Loan amount       $ 1,015
Proceeds from notes payable     $ 38,700 38,796
Class A common stock        
Debt Instrument [Line Items]        
Shares issued upon notes conversion 4      
PPP Loan        
Debt Instrument [Line Items]        
Loan amount   $ 1,000    
Loan term   2 years    
Stated interest rate (as a percent)   1.00%    
Principal and interest deferment period   6 months    
Interest expense       $ 300