Document And Entity Information - shares	9 Months Ended
	Mar. 31, 2018	Jan. 22, 2019
Document Information [Line Items]
Entity Registrant Name	INTEGRAL TECHNOLOGIES INC
Entity Central Index Key	0001018281
Trading Symbol	itkg
Current Fiscal Year End Date	--06-30
Entity Filer Category	Non-accelerated Filer
Entity Current Reporting Status	Yes
Entity Emerging Growth Company	false
Entity Small Business	true
Entity Common Stock, Shares Outstanding (in shares)		243,240,095
Document Type	10-Q
Document Period End Date	Mar. 31, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q3
Amendment Flag	false