Quarterly report pursuant to Section 13 or 15(d)

Document And Entity Information

v3.7.0.1
Document And Entity Information - shares
6 Months Ended
Jul. 02, 2017
Jul. 28, 2017
Document Information [Line Items]    
Entity Registrant Name SMTC CORP  
Entity Central Index Key 0001108320  
Trading Symbol smtx  
Current Fiscal Year End Date --12-31  
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)   16,825,197
Document Type 10-Q  
Document Period End Date Jul. 02, 2017  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q2  
Amendment Flag false