XML 49 R38.htm IDEA: XBRL DOCUMENT v3.21.1
Leases - Additional Information (Details)
$ in Thousands
1 Months Ended 3 Months Ended
Nov. 30, 2017
USD ($)
Mar. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Aug. 31, 2007
ft²
Lessee Lease Description [Line Items]        
Initial base rent $ 1,000      
Restricted cash   $ 329 $ 329  
Extended lease term 2023-04      
Office and Laboratory        
Lessee Lease Description [Line Items]        
Area of property | ft²       22,343
Office Equipment        
Lessee Lease Description [Line Items]        
Lease initiation date   Apr. 30, 2020    
Lease expiration date   Jun. 30, 2024    
Certificate of Deposits        
Lessee Lease Description [Line Items]        
Restricted cash $ 300      
Letter of Credit        
Lessee Lease Description [Line Items]        
Secured debt obligations $ 300