Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Detail)

v3.23.2
Commitments and Contingencies - Additional Information (Detail)
3 Months Ended 6 Months Ended
Nov. 19, 2018
USD ($)
ft²
Jun. 30, 2023
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2023
USD ($)
Jun. 30, 2022
USD ($)
Other Commitments [Line Items]          
Consolidated rent expense   $ 28,000 $ 33,000 $ 57,000 $ 66,000
Indemnification obligations   $ 0   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