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

Note 14 - Restructuring Charges (Details Textual) $ in Thousands	1 Months Ended	12 Months Ended
	Sep. 30, 2019 USD ($)	Dec. 29, 2019 USD ($)	Dec. 30, 2018 USD ($)	Dec. 31, 2017 USD ($)
Restructuring Charges, Total		$ 7,955	$ 172	$ 1,732
One-time Termination Benefits [Member]
Restructuring Charges, Total		4,134
Dongguan Facility Closure [Member]
Restructuring and Related Cost, Number of Positions Eliminated	137
Restructuring and Related Cost, Expected Cost, Total	$ 2,037
Restructuring Charges, Total		5,000
Dongguan Facility Closure [Member] \| One-time Termination Benefits [Member]
Restructuring Charges, Total		$ 2,955
Other Restructuring Charges [Member] \| UNITED STATES
Restructuring and Related Cost, Number of Positions Eliminated		47
Other Restructuring Charges [Member] \| CANADA
Restructuring and Related Cost, Number of Positions Eliminated		8
Other Restructuring Charges [Member] \| MEXICO
Restructuring and Related Cost, Number of Positions Eliminated		630
Other Restructuring Charges [Member] \| One-time Termination Benefits [Member]
Restructuring Charges, Total		$ 2,955	$ 172