Registration of securities issued in business combination transactions

Document and Entity Information

v3.7.0.1
Document and Entity Information
12 Months Ended
Dec. 31, 2016
Document And Entity Information [Abstract]  
Document Type S-4/A
Amendment Flag false
Document Period End Date Dec. 31, 2016
Trading Symbol OGXI
Entity Registrant Name ONCOGENEX PHARMACEUTICALS, INC.
Entity Central Index Key 0000949858
Entity Filer Category Smaller Reporting Company