Annual report pursuant to Section 13 and 15(d)

Document And Entity Information

v3.8.0.1
Document And Entity Information - USD ($)
12 Months Ended
Mar. 31, 2018
Jun. 07, 2018
Sep. 30, 2017
Document Information [Line Items]      
Entity Registrant Name GIGA TRONICS INC    
Entity Central Index Key 0000719274    
Trading Symbol giga    
Current Fiscal Year End Date --03-31    
Entity Filer Category Smaller Reporting Company    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Well-known Seasoned Issuer No    
Entity Common Stock, Shares Outstanding (in shares)   10,312,653  
Entity Public Float     $ 6,885,959
Document Type 10-K    
Document Period End Date Mar. 31, 2018    
Document Fiscal Year Focus 2018    
Document Fiscal Period Focus FY    
Amendment Flag false