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

Other Assets	12 Months Ended
Other Assets	Dec. 31, 2014
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]
Other Assets	8. OTHER ASSETS Other assets include prepaid amounts related to clinical trials that will not be utilized in the next 12 months and deposits paid for office space in accordance with the terms of the operating lease agreements.