Document and Entity Information	3 Months Ended
	Jul. 31, 2013	Sep. 16, 2013
Document And Entity Information
Entity Registrant Name	REGI U S INC
Entity Central Index Key	0000922330
Document Type	10-Q
Document Period End Date	Jul. 31, 2013
Amendment Flag	false
Current Fiscal Year End Date	--04-30
Is Entity's Reporting Status Current?	Yes
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		31,969,298
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2014