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Investment in American Shale Oil, LLC (Tables)

12 Months Ended

Dec. 31, 2015

Investment in American Shale Oil, Llc [Abstract]

Summary in the change in balance of the company's investment in AMSO, LLC

		Year ended December 31,
(in thousands)		2015				2014				2013
Balance, beginning of period		$	(252	)		$	(252	)		$	242
Capital contributions			250				—				2,700
Equity in net loss of AMSO, LLC			(397	)			—				(3,194	)
Balance, end of period		$	(399	)		$	(252	)		$	(252	)

Summarized balance sheets of AMSO, LLC

December 31 (in thousands)		2015				2014
ASSETS
Cash and cash equivalents		$	204			$	1,052
Restricted cash and cash equivalents			47				47
Other current assets			85				119
Equipment, net			181				242
Other assets			861				861
TOTAL ASSETS		$	1,378			$	2,321
LIABILITIES AND MEMBERS’ INTERESTS
Current liabilities		$	654			$	1,324
Other liabilities			861				861
Members’ interests			(137	)			136
TOTAL LIABILITIES AND MEMBERS’ INTERESTS		$	1,378			$	2,321

Summarized statements of operations AMSO, LLC

		Year ended December 31,
(in thousands)		2015				2014				2013
REVENUES		$	—			$	—			$	—
OPERATING EXPENSES:
General and administrative			403				456				566
Research and development			4,782				7,755				8,601
TOTAL OPERATING EXPENSES			5,185				8,211				9,167
Loss from operations			(5,185	)			(8,211	)			(9,167	)
Other income			—				—				41
NET LOSS		$	(5,185	)		$	(8,211	)		$	(9,126	)