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Inventories
9 Months Ended
May 31, 2018
Inventory Disclosure [Abstract]  
Inventories
Inventories

As of
 
May 31,
2018
 
August 31,
2017
Finished goods
 
$
828

 
$
856

Work in process
 
2,168

 
1,968

Raw materials and supplies
 
373

 
299

 
 
$
3,369

 
$
3,123