Document and Entity Information - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Sep. 02, 2016	Dec. 31, 2015
Document And Entity Information
Entity Registrant Name	PRO DEX INC
Entity Central Index Key	0000788920
Document Type	10-K
Trading Symbol	PDEX
Document Period End Date	Jun. 30, 2016
Amendment Flag	false
Current Fiscal Year End Date	--06-30
Entity a Well-known Seasoned Issuer	No
Entity a Voluntary Filer	No
Entity's Reporting Status Current	Yes
Entity Filer Category	Smaller Reporting Company
Entity Public Float			$ 5,900
Entity Common Stock, Shares Outstanding		4,063,837
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2016