Annual report pursuant to Section 13 and 15(d)

Property and Equipment - Summary of Property and Equipment (Detail)

v3.22.4
Property and Equipment - Summary of Property and Equipment (Detail)
$ in Thousands
Dec. 31, 2022
USD ($)
Property, Plant and Equipment [Line Items]  
Cost $ 303
Accumulated Depreciation 299
Net Book Value 4
Computer equipment [Member]  
Property, Plant and Equipment [Line Items]  
Cost 143
Accumulated Depreciation 140
Net Book Value 3
Furniture and fixtures [Member]  
Property, Plant and Equipment [Line Items]  
Cost 42
Accumulated Depreciation 42
Leasehold improvements [Member]  
Property, Plant and Equipment [Line Items]  
Cost 25
Accumulated Depreciation 25
Computer software [Member]  
Property, Plant and Equipment [Line Items]  
Cost 74
Accumulated Depreciation 74
Equipment under capital lease [Member]  
Property, Plant and Equipment [Line Items]  
Cost 19
Accumulated Depreciation 18
Net Book Value $ 1