Quarterly report pursuant to Section 13 or 15(d)

Document And Entity Information

Document And Entity Information
3 Months Ended
Dec. 31, 2014
Feb. 01, 2015
Document And Entity Information [Abstract]    
Entity Registrant Name Stellar Biotechnologies, Inc.  
Entity Central Index Key 0001540159  
Entity Filer Category Accelerated Filer  
Trading Symbol SBOTF  
Amendment Flag false  
Current Fiscal Year End Date --09-30  
Document Period End Date Dec. 31, 2014  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2015  
Document Type 10-Q  
Entity Common Stock, Shares Outstanding   79,546,650dei_EntityCommonStockSharesOutstanding