Achieve Life Sciences, Inc. Annual report pursuant to Section 13 and 15(d)

Property and Equipment - Summary of Property and Equipment (Detail) $ in Thousands	Dec. 31, 2023 USD ($)
Property, Plant and Equipment [Line Items]
Cost	$ 256
Accumulated Depreciation	243
Net Book Value	13
Computer equipment [Member]
Property, Plant and Equipment [Line Items]
Cost	114
Accumulated Depreciation	104
Net Book Value	10
Furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Cost	28
Accumulated Depreciation	28
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Cost	25
Accumulated Depreciation	25
Computer software [Member]
Property, Plant and Equipment [Line Items]
Cost	77
Accumulated Depreciation	74
Net Book Value	3
Equipment under capital lease [Member]
Property, Plant and Equipment [Line Items]
Cost	12
Accumulated Depreciation	$ 12