v3.19.2
Document and Entity Information - shares
6 Months Ended
Jun. 29, 2019
Jul. 25, 2019
Document And Entity Information [Abstract]    
Entity Registrant Name IRIDEX CORP  
Entity Central Index Key 0001006045  
Document Type 10-Q  
Document Period End Date Jun. 29, 2019  
Amendment Flag false  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q2  
Current Fiscal Year End Date --12-28  
Trading Symbol IRIX  
Entity Filer Category Non-accelerated Filer  
Entity Shell Company false  
Entity Current Reporting Status Yes  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity File Number 0-27598  
Entity Tax Identification Number 770210467  
Entity Address, Address Line One 1212 Terra Bella Avenue  
Entity Address, City or Town Mountain View  
Entity Address, State or Province California  
Entity Address, Postal Zip Code 94043-1824  
City Area Code 650  
Local Phone Number 940-4700  
Entity Common Stock, Shares Outstanding   13,757,890