v3.25.1
Cover - shares
3 Months Ended
Mar. 29, 2025
May 07, 2025
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 29, 2025  
Document Transition Report false  
Entity File Number 0-19621  
Entity Registrant Name ALT5 SIGMA CORPORATION  
Entity Incorporation, State or Country Code NV  
Entity Tax Identification Number 41-1454591  
Entity Address, Address Line One 325 E. Warm Springs Road  
Entity Address, Address Line Two Suite 102  
Entity Address, City or Town Las Vegas  
Entity Address, State or Province NV  
Entity Address, Postal Zip Code 89119  
City Area Code 702  
Local Phone Number 997-5968  
Title of 12(b) Security Common Stock, $0.001 par value per share  
Trading Symbol ALTS  
Security Exchange Name NASDAQ  
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   17,454,660
Entity Central Index Key 0000862861  
Current Fiscal Year End Date --12-27  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q1  
Amendment Flag false