ACCRUED LIABILITIES

12 Months Ended

Dec. 31, 2015

Payables and Accruals [Abstract]

ACCRUED LIABILITIES

ACCRUED LIABILITIES

Accrued liabilities consisted of the following:

	As of December 31,
	2015		2014
	($ in thousands)
Sales, excise, property and income taxes	$	3,276	$	5,002
Current portion of business acquisition obligation	2,843		2,702
Purchase of intangible assets	2,500		—
Logistics	2,486		3,185
Deferred compensation	1,540		1,341
Salaries and other employee-related	1,096		4,048
Accrued interest	947		407
Derivative contract liability	624		422
Sand purchases and royalties	520		659
Current portion of contract termination	135		—
Mining	—		951
Deferred revenue	—		127
Construction	—		3,379
Other	2,434		2,188
Total	$	18,401	$	24,411