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Revenue (Tables)
3 Months Ended
Sep. 30, 2018
Revenue from Contract with Customer [Abstract]  
Schedule of net sales by reporting segment
   For the three months ended 
   September 30,   September 30, 
   2018   2017 
         
Sales-parts  $137,787   $15,158 
Service revenue   -    5,375 
Net sales  $137,787   $20,533