Annual report pursuant to Section 13 and 15(d)

11. Intangible assets (Tables)

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11. Intangible assets (Tables)
12 Months Ended
Dec. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible assets
    December 30, 2017     December 31, 2016  
Intangible assets GeoTraq, net   $ 24,699     $  
Patent     19       19  
Goodwill           38  
    $ 24,718     $ 57