Annual report pursuant to Section 13 and 15(d)

Document And Entity Information

Document And Entity Information - USD ($)
$ in Millions
12 Months Ended
Jan. 03, 2016
Mar. 17, 2016
Jun. 28, 2015
Entity Registrant Name SMTC CORP    
Entity Central Index Key 0001108320    
Trading Symbol smtx    
Current Fiscal Year End Date --01-03    
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)   16,485,055  
Entity Public Float     $ 22.8
Document Type 10-K    
Document Period End Date Jan. 03, 2016    
Document Fiscal Year Focus 2015    
Document Fiscal Period Focus FY    
Amendment Flag false