Annual report pursuant to Section 13 and 15(d)

Document And Entity Information

Document And Entity Information - USD ($)
12 Months Ended
Mar. 26, 2022
Sep. 25, 2021
Document Information [Line Items]    
Entity Central Index Key 0000719274  
Entity Registrant Name GIGA TRONICS INC  
Amendment Flag false  
Current Fiscal Year End Date --03-26  
Document Fiscal Period Focus FY  
Document Fiscal Year Focus 2022  
Document Type 10-K  
Document Annual Report true  
Document Period End Date Mar. 26, 2022  
Document Transition Report false  
Entity File Number 001-14605  
Entity Incorporation, State or Country Code CA  
Entity Tax Identification Number 94-2656341  
Entity Address, Address Line One 5990 Gleason Drive  
Entity Address, City or Town Dublin  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 94568  
City Area Code 925  
Local Phone Number 328-4650  
Entity Well-known Seasoned Issuer No  
Entity Voluntary Filers No  
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  
ICFR Auditor Attestation Flag true  
Entity Shell Company false  
Entity Public Float   $ 4,927,672
Entity Common Stock, Shares Outstanding 2,767,230  
Auditor Name Armanino LLP  
Auditor Location San Ramon, California  
Auditor Firm ID 32  
Preferred Stock [Member]    
Document Information [Line Items]    
Title of 12(b) Security Preferred Share Purchase Rights  
Common Stock [Member]    
Document Information [Line Items]    
Title of 12(b) Security Common Stock, No par value  
Trading Symbol GIGA