v3.25.2
Cover Page
Jul. 21, 2025
Cover [Abstract]  
Document Type 8-K
Document Period End Date Jul. 21, 2025
Entity Registrant Name CHAMPIONS ONCOLOGY, INC.
Entity Incorporation, State or Country Code DE
Entity File Number 001-11504
Entity Tax Identification Number 52-1401755
Entity Address, Address Line One 1 University Plaza, Suite 307
Entity Address, City or Town Hackensack
Entity Address, State or Province NJ
Entity Address, Postal Zip Code 07601
City Area Code 201
Local Phone Number 808-8400
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Entity Central Index Key 0000771856
Amendment Flag false
Document Information [Line Items]  
Document Period End Date Jul. 21, 2025