Major Customers (Tables)

6 Months Ended

Jun. 30, 2018

Risks and Uncertainties [Abstract]

Summary of Major Customers

The Partnership had sales or receivables from the following major customers that in each period equaled or exceeded 10% of revenues:

	June 30		December 31		Six months		Six months
	2018		2017		ended		ended
	Receivable		Receivable		June 30		June 30
	Balance		Balance		2018 Sales		2017 Sales
	(in thousands)
Javelin Global	$	3,727	$	2,470	$	16,554	$	-
Dominion Energy		1,958		1,232		14,013		11,123
Integrity Coal		-		2,238		11,364		12,268
Big Rivers Electric Corporation		932		-		10,817		13,234
LG&E		234		1,483		6,559		21,162