Quarterly report pursuant to Section 13 or 15(d)

Leases - Additional Information (Details)

v3.23.3
Leases - Additional Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Operating Leased Assets [Line Items]        
Operating lease cost for right - of - use assets $ 52 $ 234 $ 265 $ 644
Office Space and Commercial Property        
Operating Leased Assets [Line Items]        
Lessee, operating lease, description     These leases have remaining terms which range from 1.4 years to 1.8 years.  
Lessee operating lease renewal option on remaining lease term     The renewal option on another lease was derecognized in June 2022 as it was no longer reasonably certain that the option would be exercised, resulting in a reduction in the remaining term from 16 to six years.  
Lessee, operating lease, option to extend     The renewal option on one lease was exercised in February 2022 for an additional period of three years, extending this lease term to June 2025.  
Lessee, operating lease renewal reduction in remaining term     16 to six years  
Lessee, operating lease, renewal term 3 years   3 years  
Operating lease, rental expenses $ 49 55 $ 194 176
Sublease Income $ 48 $ 75 $ 199 $ 223
Commercial Property        
Operating Leased Assets [Line Items]        
Lessee operating sublease agreement for commercial unit term     In September 2020, the Company entered into a sublease agreement for a commercial unit.