Quarterly report pursuant to Section 13 or 15(d)

Borrowings - Additional Information (Details)

v3.20.2
Borrowings - Additional Information (Details)
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Jun. 01, 2020
USD ($)
shares
Apr. 13, 2020
USD ($)
Jul. 31, 2019
USD ($)
Sep. 30, 2020
USD ($)
Sep. 30, 2020
USD ($)
Sep. 30, 2019
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Jun. 30, 2020
USD ($)
Jan. 01, 2019
USD ($)
Installment
Dec. 31, 2017
USD ($)
FinancingArrangement
Debt Instrument [Line Items]                      
Lines of credit repaid principal amount           $ 5,614,000          
Proceeds from PPP Loan         $ 2,289,000            
Other Financing Arrangements                      
Debt Instrument [Line Items]                      
Number of financing arrangements | FinancingArrangement                     3
Debt instrument, face amount                     $ 472,000
Other Financing Arrangement One                      
Debt Instrument [Line Items]                      
Debt instrument, maturity date       2020-06              
Other Financing Arrangement Two                      
Debt Instrument [Line Items]                      
Debt instrument, maturity date       2020-08              
Cares Act                      
Debt Instrument [Line Items]                      
Proceeds from PPP Loan   $ 2,300,000                  
Loan and Security Agreement | East West Bank                      
Debt Instrument [Line Items]                      
Maximum borrowings available             $ 0        
Line of credit facility, cancellation date             Jun. 30, 2020        
Subordinated Term Loan and Security Agreement | B. Riley Principal Investments, LLC                      
Debt Instrument [Line Items]                      
Maximum borrowings available     $ 10,000,000           $ 12,000,000    
Minimum principal amount outstanding of defined repayment penalties               $ 10,000,000      
Prepayment penalty description               The prepayment penalty was 1% for 2019 through maturity.      
Interest rate, stated percentage               10.00%      
Debt prepayment penalties percentage               1.00%      
Line of credit facility, maturity date               Sep. 01, 2022      
Outstanding borrowings       $ 0 0   $ 10,003,000        
Lines of credit repaid principal amount     $ 3,250,000                
Lines of credit repaid principal amount percentage     25.00%                
Percentage of fee incurred     2.00%                
Compounded interest         166,000            
Note Amendment and Debt Cancellation Agreement | B. Riley Principal Investments, LLC                      
Debt Instrument [Line Items]                      
Outstanding indebtedness $ 4,000,000                    
Outstanding borrowings $ 6,170,000                    
Debt instrument redemption date Jun. 09, 2020                    
Conversion shares | shares 8,226,834                    
Promissory Notes Payable                      
Debt Instrument [Line Items]                      
Debt instrument, outstanding balance       $ 399,000 $ 399,000   $ 508,000     $ 736,000  
Debt instrument, periodic payment, number of equal quarterly installments | Installment                   20  
Debt instrument, frequency of periodic payment         quarterly            
Promissory Notes Payable | Minimum                      
Debt Instrument [Line Items]                      
Debt instrument, payment term         2 years            
Promissory Notes Payable | Maximum                      
Debt Instrument [Line Items]                      
Interest rate, stated percentage       8.00% 8.00%            
Debt instrument, payment term         4 years