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

Annual report pursuant to Section 13 and 15(d)

Income Tax - Summary of Investment Tax Credits and Non-Capital Losses and Net Operating Losses (Detail)

Income Tax - Summary of Investment Tax Credits and Non-Capital Losses and Net Operating Losses (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Net Operating Losses	$ 151,112us-gaap_OperatingLossCarryforwards	$ 150,200us-gaap_OperatingLossCarryforwards
Non-capital Losses	96,307ogxi_NonCapitalLossCarryforwardsAmount
2012 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Net Operating Losses	44
2018 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Net Operating Losses	10,795
2019 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Net Operating Losses	32
2020 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Net Operating Losses	2,745
2021 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Net Operating Losses	400
2022 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Net Operating Losses	11,766
2023 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Net Operating Losses	10,785
2024 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Net Operating Losses	16,814
2025 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Net Operating Losses	2,062
2026 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Net Operating Losses	27,157
Non-capital Losses	7,335
2027 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Net Operating Losses	22,225
Non-capital Losses	4,949
2028 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Net Operating Losses	12,648
Non-capital Losses	8,020
2029 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Net Operating Losses	4,358
Non-capital Losses	(9)
2030 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Net Operating Losses	5,034
Non-capital Losses	6,288
2031 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Net Operating Losses	6,200
Non-capital Losses	12,121
2032 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Net Operating Losses	8,418
Non-capital Losses	17,278
2033 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Net Operating Losses	2,520
Non-capital Losses	23,240
2034 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Net Operating Losses	7,109
Non-capital Losses	17,085
Investment tax credits carryforwards [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Investment tax credits	4,448
Investment tax credits carryforwards [Member] \| 2018 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Investment tax credits	150
Investment tax credits carryforwards [Member] \| 2019 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Investment tax credits	102
Investment tax credits carryforwards [Member] \| 2020 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Investment tax credits	76
Investment tax credits carryforwards [Member] \| 2021 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Investment tax credits	69
Investment tax credits carryforwards [Member] \| 2022 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Investment tax credits	105
Investment tax credits carryforwards [Member] \| 2023 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Investment tax credits	96
Investment tax credits carryforwards [Member] \| 2024 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Investment tax credits	111
Investment tax credits carryforwards [Member] \| 2025 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Investment tax credits	144
Investment tax credits carryforwards [Member] \| 2026 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Investment tax credits	400
Investment tax credits carryforwards [Member] \| 2027 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Investment tax credits	173
Investment tax credits carryforwards [Member] \| 2028 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Investment tax credits	390
Investment tax credits carryforwards [Member] \| 2029 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Investment tax credits	317
Investment tax credits carryforwards [Member] \| 2030 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Investment tax credits	346
Investment tax credits carryforwards [Member] \| 2031 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Investment tax credits	608
Investment tax credits carryforwards [Member] \| 2032 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Investment tax credits	505
Investment tax credits carryforwards [Member] \| 2033 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Investment tax credits	422
Investment tax credits carryforwards [Member] \| 2034 [Member]
Schedule Of Tax Credits And Losses Carry Forward Expiration [Line Items]
Investment tax credits	$ 434