Document And Entity Information - shares	3 Months Ended
	Sep. 30, 2023	Nov. 14, 2023
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2023
Document Transition Report	false
Entity File Number	0-17449
Entity Registrant Name	PROCYON CORPORATION
Entity Incorporation, State or Country Code	CO
Entity Tax Identification Number	59-3280822
Entity Address, Address Line One	164 Douglas Road 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
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 (in shares)		8,108,388
Entity Central Index Key	0000812306
Current Fiscal Year End Date	--06-30
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q1
Amendment Flag	false