Document and Entity Information - shares	9 Months Ended
	Mar. 31, 2017	May 10, 2017
Document And Entity Information
Entity Registrant Name	PRO DEX INC
Entity Central Index Key	0000788920
Document Type	10-Q
Trading Symbol	PDEX
Document Period End Date	Mar. 31, 2017
Amendment Flag	false
Current Fiscal Year End Date	--06-30
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filer	No
Entity's Reporting Status Current	Yes
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		4,014,186
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2017