Segments of Operations (Details 1) (USD $)	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012
Company's assets by reportable segments
Goodwill	$ 16,516,895	$ 14,891,377	$ 14,891,377
Investment in unconsolidated affiliate	352,704		321,731
Total assets	172,303,091		174,463,459
Natural Gas Operations [Member]
Company's assets by reportable segments
Total assets	120,343,020		123,278,060
Marketing and Production [Member]
Company's assets by reportable segments
Total assets	7,373,304		8,338,698
Pipeline Operations [Member]
Company's assets by reportable segments
Total assets	589,776		616,393
Propane Operations [Member]
Company's assets by reportable segments
Total assets	927,600		1,460,289
Corporate and Other [Member]
Company's assets by reportable segments
Total assets	43,069,391		40,770,019
Operating Segment [Member]
Company's assets by reportable segments
Goodwill	16,516,895		14,891,377
Investment in unconsolidated affiliate	352,704		321,731
Total assets	231,398,128		247,478,816
Operating Segment [Member] | Natural Gas Operations [Member]
Company's assets by reportable segments
Goodwill	14,891,377		14,891,377
Total assets	160,794,648		169,616,395
Operating Segment [Member] | Marketing and Production [Member]
Company's assets by reportable segments
Goodwill	1,625,518
Investment in unconsolidated affiliate	352,704		321,731
Total assets	10,376,976		8,786,247
Operating Segment [Member] | Pipeline Operations [Member]
Company's assets by reportable segments
Total assets	520,907		632,466
Operating Segment [Member] | Propane Operations [Member]
Company's assets by reportable segments
Total assets	3,023,255		3,556,432
Operating Segment [Member] | Corporate and Other [Member]
Company's assets by reportable segments
Total assets	56,682,342		64,887,276
Intersegment elimination [Member]
Company's assets by reportable segments
Total assets	(59,095,037)		(73,015,357)
Intersegment elimination [Member] | Natural Gas Operations [Member]
Company's assets by reportable segments
Total assets	(40,451,628)		(46,338,335)
Intersegment elimination [Member] | Marketing and Production [Member]
Company's assets by reportable segments
Total assets	(3,003,672)		(447,549)
Intersegment elimination [Member] | Pipeline Operations [Member]
Company's assets by reportable segments
Total assets	68,869		(16,073)
Intersegment elimination [Member] | Propane Operations [Member]
Company's assets by reportable segments
Total assets	(2,095,655)		(2,096,143)
Intersegment elimination [Member] | Corporate and Other [Member]
Company's assets by reportable segments
Total assets	$ (13,612,951)		$ (24,117,257)