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RELATED PARTY TRANSACTIONS
12 Months Ended
Dec. 31, 2018
Related Party Transactions [Abstract]  
RELATED PARTY TRANSACTIONS
RELATED PARTY TRANSACTIONS
 
We used World Wide Express, a package delivery company formerly owned by our western operations chief operating officer, to provide delivery services for us. For the year ended December 31, 2016, we paid approximately $670,000 to World Wide Express for those services. World Wide Express is no longer affiliated with the Company as a related party for the years ended December 31, 2018 and 2017.