v3.6.0.2
Document And Entity Information
3 Months Ended
Dec. 31, 2016
Document And Entity Information [Abstract]  
Entity Registrant Name Oncobiologics, Inc.
Entity Central Index Key 0001649989
Trading Symbol ons
Entity Filer Category Smaller Reporting Company
Document Type S-1
Document Period End Date Dec. 31, 2016
Amendment Flag false