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Inventories (Tables)
12 Months Ended
Jun. 30, 2018
Inventory Disclosure [Abstract]  
Schedule of Inventories
Inventories as of June 30, 2018 and 2017 were comprised of (in thousands):

 

June 30,  2018   2017 
         
Equipment and parts  $15,603   $7,961 
Reserve   (253)   (284)
   $15,350   $7,677