Document and Entity Information	3 Months Ended
	Jul. 31, 2014	Sep. 12, 2014
Document and Entity Information [Abstract]
Entity Registrant Name	INTERNATIONAL LOTTERY & TOTALIZATOR SYSTEMS INC
Entity Central Index Key	0000354813
Current Fiscal Year End Date	--04-30
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		12,962,999
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q1
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jul. 31, 2014