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Inventories (Tables)
 12 Months Ended
Dec. 31, 2021
Disclosure of inventories [text block] [Abstract]  
Schedule of inventories
   As of December 31, 
   2021   2020 
Robots at warehouse  $1,387,160   $252,411 
Robots in transit   389    242,670 
   $1,387,549   $495,081