| Document And Entity Information | Oct. 22, 2024 |
| Document Information [Line Items] | |
| Entity, Registrant Name | PROCYON CORPORATION |
| Document, Type | 8-K |
| Document, Period End Date | Oct. 22, 2024 |
| Entity, File Number | 0-17449 |
| Entity, Incorporation, State or Country Code | CO |
| Entity, Tax Identification Number | 59-3280822 |
| Entity, Address, Address Line One | 164 DOUGLAS RD EAST |
| Entity, Address, City or Town | OLDSMAR |
| Entity, Address, State or Province | FL |
| Entity, Address, Postal Zip Code | 34677 |
| City Area Code | 727 |
| Local Phone Number | 447-2998 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock |
| Trading Symbol | PCYN |
| Entity, Emerging Growth Company | false |
| Amendment Flag | false |
| Entity, Central Index Key | 0000812306 |
