Registration of securities issued in business combination transactions

Document and Entity Information

v3.7.0.1
Document and Entity Information
3 Months Ended
Mar. 31, 2017
Document And Entity Information [Abstract]  
Document Type S-4/A
Amendment Flag true
Amendment Description AMENDMENT NO.2 TO FORM S-4
Document Period End Date Mar. 31, 2017
Trading Symbol OGXI
Entity Registrant Name ONCOGENEX PHARMACEUTICALS, INC.
Entity Central Index Key 0000949858
Entity Filer Category Smaller Reporting Company