Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Capital Stock (Detail)

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Note 5 - Capital Stock (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 9 Months Ended 9 Months Ended
Sep. 30, 2012
Oct. 02, 2011
Sep. 30, 2012
Oct. 02, 2011
Jan. 01, 2012
Sep. 30, 2011
Deferred Share Units [Member]
Oct. 02, 2011
Deferred Share Unit Compensation Recovery [Member]
Common Stock, Shares Authorized 26,000,000   26,000,000   26,000,000    
Common Stock, Par or Stated Value Per Share (in Dollars per share) $ 0.01   $ 0.01   $ 0.01    
Common Stock, Voting Rights     Holders are entitled to one vote per share and the right to share in dividends pro rata subject to any preferential dividend rights of any then outstanding preferred stock.        
Preferred Stock, Shares Authorized 5,000,000   5,000,000   5,000,000    
Preferred Stock, Par or Stated Value Per Share (in Dollars per share) $ 0.01   $ 0.01   $ 0.01    
Common Stock, Conversion Features     one-for-one        
Common Stock, Call or Exercise Features     Upon the earlier of July 27, 2015, or the number of outstanding exchangeable shares falling below 500,000, subject to certain adjustment and acceleration provisions, SMTC Canada had the right to exchange all of the outstanding exchangeable shares by delivering common shares of the Company on a one-for-one basis.        
Triggering Event Enabling SMTC Canada to Exercise Right to Exchange Exchangeable Shares to SMTC Common Shares     During the three month period ended April 1, 2012, the number of outstanding exchangeable shares fell below 500,000.        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 350,000   350,000        
Allocated Share-based Compensation Expense (in Dollars) $ 55 $ 27 $ 257 $ 117     $ 21
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized (in Dollars) 1,240   1,240        
Share-based Compensation Arrangement by Share-based Payment Award, Value of Shares Purchased for Award (in Dollars)           $ 128  
Share-based Compensation Arrangement by Share-based Payment Award, Shares Purchased for Award           46,688