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Organization and Basis of Presentation
 12 Months Ended
Apr. 30, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
Note 1. Organization and Basis of Presentation
 
Background
 
Champions Oncology, Inc. (the “Company”), is engaged in the development of advanced technology solutions and products to personalize the development and use of oncology drugs. The Company’s TumorGraft Technology Platform is a novel approach to personalizing cancer care based upon the implantation of human tumors in immune-deficient mice. The Company uses this technology to derive revenue for two customer groups: Personalized Oncology Solutions (“POS”) and Translational Oncology Solutions (“TOS”). POS assists physicians in developing personalized treatment options for their cancer patients through tumor specific data obtained from drug studies and related personalized oncology services. The Company’s TOS business offers a technology platform to pharmaceutical and biotechnology companies using proprietary TumorGraft studies, which the Company believes may be predictive of how drugs may perform in clinical settings.
 
The Company has three operating subsidiaries: Champions Oncology (Israel), Limited, Champions Biotechnology U.K., Limited and Champions Oncology Singapore, PTE LTD. For the years ended April 30, 2013 and 2012, there were no material revenues earned by these subsidiaries.
 
Basis of Presentation
 
The accompanying consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”).