Significant Customers (Tables)

9 Months Ended

Sep. 30, 2016

Risks and Uncertainties [Abstract]

Summary of Revenue Percentage Accounted by Purchasers

For the nine months ended September 30, 2016 and 2015, each of the following purchasers accounted for more than 10% of the Company’s revenue:

	Nine Months Ended September 30,
	2016	2015
Shell Trading (US) Company	35%	35%
BML, Inc.	18%	17%
Targa Pipeline Mid-Continent, LLC	13%	18%
TransOil Marketing, LLC	11%	16%