Quarterly report pursuant to Section 13 or 15(d)

LEASES - Narrative (Details)

v3.21.2
LEASES - Narrative (Details)
$ in Thousands
 3 Months Ended 9 Months Ended
May 01, 2020
USD ($)
lease
Sep. 30, 2021
USD ($)
renewal_option
lease
Sep. 30, 2020
USD ($)
Sep. 30, 2021
USD ($)
lease
renewal_option
Sep. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
Lessee, Lease, Description [Line Items]            
Number of operating leases | lease       2    
Number of non-cancelable leases | lease   2   2    
Operating lease right-of-use assets $ 115 $ 1,544   $ 1,544   $ 2,012
Operating lease, liability   $ 1,780   $ 1,780    
Number of lease renewal options recognized | renewal_option   0   0    
Finance lease, liability   $ 185   $ 185    
Operating lease, cost   308 $ 278 909 $ 840  
Cash paid for operating lease liabilities       580 422  
Finance lease right-of-use asset amortization     0 11 0  
Research and development            
Lessee, Lease, Description [Line Items]            
Operating lease, cost   203 196 600 608  
Finance lease right-of-use asset amortization   10   30    
Sales, marketing and administration expenses            
Lessee, Lease, Description [Line Items]            
Operating lease, cost   $ 105 $ 82 $ 309 $ 232  
Lease Amendment            
Lessee, Lease, Description [Line Items]            
Operating lease renewal periods 3 months          
Number of leases amended | lease 1          
Base rent deferral period 3 months          
Operating expense deferral period 3 months          
Operating lease, liability $ 115          
Lab Equipment Lease            
Lessee, Lease, Description [Line Items]            
Finance lease term           60 months
Finance lease interest rate           5.99%
Finance lease, right-of-use asset           $ 204
Finance lease, liability           $ 204
Facilities | Minimum            
Lessee, Lease, Description [Line Items]            
Operating lease renewal periods   2 years   2 years    
Facilities | Maximum            
Lessee, Lease, Description [Line Items]            
Operating lease renewal periods   5 years   5 years    
Facilities and Equipment | Maximum            
Lessee, Lease, Description [Line Items]            
Operating lease term   12 months   12 months    
Corporate Headquarters | Letter of Credit            
Lessee, Lease, Description [Line Items]            
Security deposit   $ 50   $ 50    
Operating lease, deposit letter of credit $ 200          
Letter of credit annual step down of no default payment   $ 50   $ 50