Condensed Consolidated Statements of Cash Flows - USD ($)	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 3,354,478	$ 3,589,873
Less income from discontinued operations	649,795	546,827
Income from continuing operations	2,704,683	3,043,046
Adjustments to reconcile income from continuing operations to net cash provided by operating activities:
Depreciation and amortization	3,537,216	3,347,983
Accretion	21,077	27,278
Amortization of debt issuance costs	352,758	204,019
Provision for doubtful accounts	98,328	821,731
Stock based compensation	98,902	308,330
Loss on goodwill and asset impairments	393,107	0
Loss (gain) on sale of assets	(35,323)	4,292
Loss from unconsolidated affiliate	0	977
Change in fair value of derivative financial instruments	(135,120)	0
Investment tax credit	(10,531)	(10,531)
Deferred income taxes	2,038,094	2,181,681
Changes in assets and liabilities
Accounts receivable, including related parties	6,066,149	4,123,081
Unbilled gas	5,913,355	5,427,211
Natural gas inventory	1,799,073	1,506,674
Accounts payable, including related parties	(8,378,473)	(5,277,741)
Regulatory assets & liabilities	(1,038,131)	(1,505,715)
Prepayments and other	(35,011)	26,640
Other assets	(496,983)	(2,416,331)
Other liabilities	(1,464,268)	(2,652,233)
Net cash provided by operating activities of continuing operations	11,428,902	9,160,392
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(4,972,609)	(10,664,364)
Proceeds from sale of fixed assets	49,660	33,234
Proceeds from note receivable	55,161	2,252
Restricted cash - capital expenditures fund	0	(106)
Customer advances for construction	30,842	4,793
Contributions in aid of construction	195,091	988,724
Net cash used in investing activities of continuing operations	(4,641,855)	(9,635,467)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from line of credit	13,500,000	10,350,000
Repayments of line of credit	(23,560,799)	(14,919,000)
Repayments of notes payable	(271,588)	(3,294,190)
Proceeds from notes payable, including related parties	5,000,000	102,000
Repayments of build-to-suit	(991,121)	0
Debt issuance costs	(151,130)	0
Restricted cash - debt service fund	(6)	131,376
Exercise of stock options	0	45,762
Dividends paid	(1,416,488)	(2,826,793)
Net cash used in financing activities of continuing operations	(7,891,132)	(10,410,845)
DISCONTINUED OPERATIONS
Operating cash flows	2,244,634	1,253,981
Investing cash flows	(398,004)	(203,588)
Net cash provided by discontinued operations	1,846,630	1,050,393
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	742,545	(9,835,527)
Cash and cash equivalents, beginning of period	1,585,926	12,741,197
CASH AND CASH EQUIVALENTS, END OF PERIOD	2,328,471	2,905,670
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid for interest	1,461,052	1,336,203
Cash refunded for income taxes, net	0	6,025
NONCASH INVESTING AND FINANCING ACTIVITIES
Assets acquired under build-to-suit agreement	2,241,261	2,378,714
Restricted cash received from customer as security deposit	0	949,540
Capital expenditures included in accounts payable	270,421	917,310
Accrued dividends	0	471,938
Capital assets acquired through trade-in	0	85,068
Capital assets acquired through debt	0	25,543
Capitalized interest	$ 191,485	$ 38,093