Cover - shares	6 Months Ended
	Dec. 31, 2022	Feb. 02, 2023
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Dec. 31, 2022
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2023
Current Fiscal Year End Date	--06-30
Entity File Number	0-14942
Entity Registrant Name	PRO DEX INC
Entity Central Index Key	0000788920
Entity Tax Identification Number	84-1261240
Entity Incorporation, State or Country Code	CO
Entity Address, Address Line One	2361 McGaw Avenue
Entity Address, City or Town	Irvine
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	92614
City Area Code	(949)
Local Phone Number	769-3200
Title of 12(b) Security	Common Stock, no par value
Trading Symbol	PDEX
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		3,543,845