Document and Entity Information - shares	9 Months Ended
	Mar. 31, 2020	May 05, 2020
Document And Entity Information
Entity Registrant Name	PRO DEX INC
Entity Central Index Key	0000788920
Document Type	10-Q
Document Period End Date	Mar. 31, 2020
Amendment Flag	false
Current Fiscal Year End Date	--06-30
Entity's Reporting Status Current	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Common Stock, Shares Outstanding		3,811,137
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2020
Entity Incorporation State Country Code	CO
Entity File Number	0-14942