v3.26.1
Document And Entity Information - shares
6 Months Ended
Jun. 27, 2026
Aug. 06, 2026
Document And Entity Information [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 27, 2026  
Document Transition Report false  
Entity File Number 001-33170  
Entity Registrant Name NETLIST INC  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 95-4812784  
Entity Address, Address Line One 111 Academy, Suite 100  
Entity Address, City or Town Irvine  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 92617  
City Area Code 949  
Local Phone Number 435-0025  
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   349,583,129
Entity Central Index Key 0001282631  
Current Fiscal Year End Date --01-02  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Amendment Flag false