SMTC Corporation Annual report pursuant to Section 13 and 15(d)

Note 14 - Restructuring Charges (Details Textual) $ in Thousands	3 Months Ended	12 Months Ended
	Apr. 03, 2016 USD ($)	Dec. 31, 2017 USD ($)	Jan. 01, 2017 USD ($)	Jan. 03, 2016 USD ($)
Restructuring Charges		$ 1,732	$ 176	$ 0
Employee Severance [Member]
Restructuring Charges	$ 176	$ 1,732
Restructuring and Related Cost, Number of Positions Eliminated	1
Employee Severance [Member] \| MEXICO
Restructuring and Related Cost, Number of Positions Eliminated		49
Employee Severance [Member] \| CHINA
Restructuring and Related Cost, Number of Positions Eliminated		102
Employee Severance [Member] \| UNITED STATES
Restructuring and Related Cost, Number of Positions Eliminated		22
Employee Severance [Member] \| CANADA
Restructuring and Related Cost, Number of Positions Eliminated		10