XML 13 R1.htm IDEA: XBRL DOCUMENT v3.10.0.1
Document and Entity Information - USD ($)
 3 Months Ended
Sep. 30, 2018
Oct. 31, 2018
Sep. 15, 2018
Dec. 29, 2017
Document And Entity Information        
Entity Registrant Name PRECISION OPTICS CORPORATION, INC.      
Entity Central Index Key 0000867840      
Document Type S-1/A      
Document Period End Date Sep. 30, 2018      
Amendment Flag false      
Current Fiscal Year End Date --06-30      
Is Entity's Reporting Status Current? Yes      
Entity Filer Category Non-accelerated Filer      
Entity Public Float       $ 2,406,427
Entity Common Stock, Shares Outstanding   11,897,139 10,297,139  
Document Fiscal Period Focus Q1      
Document Fiscal Year Focus 2019      
Entity Small Business true      
Entity Emerging Growth false