Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Detail)

v3.23.1
Commitments and Contingencies - Additional Information (Detail)
3 Months Ended
Nov. 19, 2018
USD ($)
ft²
Mar. 31, 2023
USD ($)
Mar. 31, 2022
USD ($)
Other Commitments [Line Items]      
Consolidated rent expense   $ 29,000 $ 33,000
Indemnification obligations   0  
Expenses related to indemnification issues   $ 0  
Vancouver Lease Arrangement [Member] | Vancouver, British Columbia [Member]      
Other Commitments [Line Items]      
Lease agreement commencement date Feb. 01, 2019    
Area of office space leased | ft² 2,367    
Operating lease, term of contract 4 years    
Annual rent expense $ 100,000