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

12 Months Ended

Dec. 31, 2016

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

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

	2016		2015		2014
Results of Operations
Revenues	$	2,092	$	2,447	$	5,274
Production and operating costs		1,164		1,259		1,546
Depreciation and depletion		868		874		895
Results of operations before income taxes		60		314		2,833
Income tax (benefit) expense		(93)		(19)		742
Results of operations (excluding corporate overhead and interest costs)	$	153	$	333	$	2,091
Costs Incurred
Development costs incurred	$	15	$	15	$	25
Exploration costs		—		—		—
Capitalized asset retirement costs		—		—		—
Property acquisition costs		—		—		—
Capitalized Costs
Natural gas properties-proved	$	18,412	$	18,398	$	18,384
Less: accumulated depreciation and depletion		10,900		10,030		9,153
Net capitalized costs for natural gas properties	$	7,512	$	8,368	$	9,231

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)
	2016	2016	2015	2015	2014	2014
Proved reserves - beginning of year	5.3	0.7	6.7	1.0	7.6	1.1
Revisions of previous estimates	(0.9)	(0.1)	(0.9)	(0.2)	(0.3)	—
Extensions and discoveries	—	—	—	—	—	—
Production	(0.5)	(0.1)	(0.5)	(0.1)	(0.6)	(0.1)
Proved reserves - end of year	3.9	0.5	5.3	0.7	6.7	1.0
Proved developed reserves - end of year	3.9	0.5	5.3	0.7	6.7	1.0

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

	2016		2015		2014
Future estimated gross revenues	$	17,908	$	25,916	$	60,073
Future estimated production and development costs		(8,402)		(12,019)		(23,242)
Future estimated net revenues		9,506		13,897		36,831
Future estimated income tax expense		(2,458)		(3,642)		(10,105)
Future estimated net cash flows		7,048		10,255		26,726
10% annual discount for estimated timing of cash flows		(2,851)		(4,969)		(13,438)
Standardized measure of discounted future estimated net cash flows	$	4,197	$	5,286	$	13,288

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

	2016		2015		2014
Standardized measure - beginning of year	$	5,286	$	13,288	$	13,578
Net change in sales prices and production costs		(1,403)		(12,535)		2,180
Sales of natural gas produced, net of production costs		(928)		(1,188)		(3,730)
Net change due to changes in quantity estimates		(1,732)		(2,625)		(586)
Previously estimated development costs incurred		—		14		21
Net change in income taxes		414		3,147		90
Accretion of discount		571		1,570		1,594
Timing of production of reserves and other		1,989		3,615		141
Standardized measure - end of year	$	4,197	$	5,286	$	13,288