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Cover
Sep. 08, 2025
Jun. 16, 2025
Cover [Abstract]    
Document Type 8-K  
Document Period End Date Sep. 08, 2025  
Entity Registrant Name BGSF, INC.  
Entity Incorporation, State or Country Code   DE
Entity File Number   001-36704
Entity Tax Identification Number   26-0656684
Entity Address, Address Line One 5850 Granite Parkway, Suite 730  
Entity Address, City or Town Plano  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 75024  
City Area Code 972  
Local Phone Number 692-2400  
Written Communications   false
Soliciting Material   false
Pre-commencement Tender Offer   false
Pre-commencement Issuer Tender Offer   false
Entity Emerging Growth Company false  
Title of 12(b) Security Common Stock  
Trading Symbol BGSF  
Security Exchange Name NYSE  
Amendment Flag false  
Document Fiscal Period Focus FY  
Document Fiscal Year Focus 2025  
Entity Central Index Key 0001474903  
Document Information [Line Items]    
Trading Symbol BGSF  
Security Exchange Name NYSE  
Entity Central Index Key 0001474903  
Local Phone Number 692-2400  
Pre-commencement Tender Offer   false
Pre-commencement Issuer Tender Offer   false