Annual report pursuant to Section 13 and 15(d)

Note 13 - Defined Contribution Pension Plan and Post-employment Benefit Plan (Details Textual)

v3.8.0.1
Note 13 - Defined Contribution Pension Plan and Post-employment Benefit Plan (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Jan. 01, 2017
Jan. 03, 2016
Defined Benefit Plan, Plan Assets, Contributions by Employer $ 125 $ 162 $ 157
MEXICO      
Postemployment Benefits Liability $ 283 $ 247