| Cover | Nov. 03, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Nov. 03, 2022 |
| 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, no par value |
| Trading Symbol | PDEX |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
