Description Of Business And Significant Accounting Policies (Narrative) (Details) (USD $)	12 Months Ended				12 Months Ended														1 Months Ended	12 Months Ended
	Dec. 31, 2013 mi	Dec. 31, 2012	Dec. 31, 2011	Mar. 01, 2013	Dec. 31, 2013 Kansas customer	Dec. 31, 2013 Customer A [Member]	Dec. 31, 2012 Customer A [Member]	Dec. 31, 2011 Customer A [Member]	Dec. 31, 2013 Customer B [Member]	Dec. 31, 2012 Customer B [Member]	Dec. 31, 2011 Customer B [Member]	Dec. 31, 2013 Customer C [Member]	Dec. 31, 2012 Customer C [Member]	Dec. 31, 2011 Customer C [Member]	Dec. 31, 2013 Two Customers [Member]	Dec. 31, 2012 Two Customers [Member]	Dec. 31, 2013 Customer D [Member]	Dec. 31, 2012 Customer D [Member]	Jun. 30, 2012 Methane Facilities [Member]	Dec. 31, 2013 Methane Facilities [Member] customer	Dec. 31, 2013 Minimum [Member]	Dec. 31, 2013 Minimum [Member] Other Property And Equipment [Member]	Dec. 31, 2013 Maximum [Member]	Dec. 31, 2013 Maximum [Member] Other Property And Equipment [Member]
Description Of Business And Significant Accounting Policies [Line Items]
Length of pipeline, miles	65
Certificate of Deposit to cover future asset retirement obligations	$ 120,500
Collateral for a bond to appeal a civil penalty	386,000
Unevaluated properties	736,000	457,000
Current cost discount	10.00%
Estimated useful life																				32 years 9 months		2 years		7 years
Book value of property	558,000	1,813,000
Depreciation expense	170,000	258,000	229,000
Cash payment in lieu of tax credits																			1,000,000
Period of ineligibility after tax credit incentive award date	5 years
Compensation expense	50,000	52,000	165,000
Allowance for doubtful accounts	14,000	0
Reversal of compensation expense	59,500
Federal net operating loss carryforwards	19,700,000
Federal net operating loss carryforwards expiration between, years	2019 and 2031																				2019		2031
Deferred tax asset	7,339,000	9,434,000
Derivatives	0	0
Customer's percentage of revenue						79.80%	79.90%	82.50%	14.90%	14.30%	14.50%	1.70%	2.20%	2.00%
Customer's percentage of accounts receivable															92.60%	85.30%	80.70%	71.90%
Customers					2															1
Sale price of Swan Creek and Pipeline assets				$ 1,500,000