Cover - shares	9 Months Ended
	Mar. 31, 2022	May 16, 2022
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Mar. 31, 2022
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2022
Current Fiscal Year End Date	--06-30
Entity File Number	001-10647
Entity Registrant Name	PRECISION OPTICS CORPORATION, INC.
Entity Central Index Key	0000867840
Entity Tax Identification Number	04-2795294
Entity Incorporation, State or Country Code	MA
Entity Address, Address Line One	22 East Broadway
Entity Address, City or Town	Gardner
Entity Address, State or Province	MA
Entity Address, Postal Zip Code	01440-3338
City Area Code	(978)
Local Phone Number	630-1800
Title of 12(b) Security	Common Stock, $0.01 par value
Trading Symbol	PEYE
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		16,915,089