Supplementary Financial Information for Oil and Gas Producing Activities (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2015

Supplementary Financial Information for Oil and Gas Producing Activities (Unaudited)

Schedule of results of operations from oil and gas producing activities (in thousands)

	2015		2014		2013
Results of Operations
Revenues	$	2,447	$	5,274	$	5,762
Production and operating costs		1,259		1,546		1,920
Depreciation and depletion		874		895		955
Results of operations before income taxes		314		2,833		2,887
Income tax (benefit) expense		(19)		742		736
Results of operations (excluding corporate overhead and interest costs)	$	333	$	2,091	$	2,151
Costs Incurred
Development costs incurred	$	14	$	25	$	58
Exploration costs		—		—		—
Capitalized asset retirement costs		—		—		—
Property acquisition costs		—		—		—
Capitalized Costs
Natural gas properties-proved	$	18,398	$	18,384	$	18,359
Less: accumulated depreciation and depletion		10,030		9,153		8,256
Net capitalized costs for natural gas properties	$	8,368	$	9,231	$	10,103

Summary of changes in proved reserves

		Natural Gas		Natural Gas		Natural Gas
	Natural	Liquids	Natural Gas	Liquids	Natural Gas	Liquids
	Gas (BCF)	(MMBBLS)	(BCF)	(MMBBLS)	(BCF)	(MMBBLS)
	2015	2015	2014	2014	2013	2013
Proved reserves - beginning of year	6.7	1.0	7.6	1.1	8.3	1.1
Revisions of previous estimates	(0.9)	(0.2)	(0.3)	—	—	0.1
Extensions and discoveries	—	—	—	—	—	—
Production	(0.5)	(0.1)	(0.6)	(0.1)	(0.7)	(0.1)
Proved reserves - end of year	5.3	0.7	6.7	1.0	7.6	1.1
Proved developed reserves - end of year	5.3	0.7	6.7	1.0	7.6	1.1

Schedule of standardized measure of discounted future net cash flows (in thousands)

	2015		2014		2013
Future estimated gross revenues	$	25,916	$	60,073	$	61,873
Future estimated production and development costs		(12,019)		(23,243)		(24,276)
Future estimated net revenues		13,897		36,830		37,597
Future estimated income tax expense		(3,642)		(10,105)		(10,286)
Future estimated net cash flows		10,255		26,725		27,311
10% annual discount for estimated timing of cash flows		(4,969)		(13,437)		(13,733)
Standardized measure of discounted future estimated net cash flows	$	5,286	$	13,288	$	13,578

Schedule of changes in standardized measure of discounted future net cash flows (in thousands)

	2015		2014		2013
Standardized measure - beginning of year	$	13,288	$	13,578	$	12,764
Net change in sales prices and production costs		(12,535)		2,180		4,227
Sales of natural gas produced, net of production costs		(1,188)		(3,730)		(3,842)
Net change due to changes in quantity estimates		(2,625)		(586)		430
Previously estimated development costs incurred		14		21		56
Net change in income taxes		3,147		90		(380)
Accretion of discount		1,570		1,594		1,486
Timing of production of reserves and other		3,615		141		(1,163)
Standardized measure - end of year	$	5,286	$	13,288	$	13,578