Operating Segments - Summary of Financial Information for Operating Segments (Detail) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Segment Reporting Information [Line Items]
Total operating revenue	$ 13,614,971	$ 13,617,328	$ 95,611,609	$ 73,114,222
Total cost of sales	6,600,330	6,382,819	62,795,691	43,220,594
GROSS MARGIN	7,014,641	7,234,509	32,815,918	29,893,628
Total operating expenses	9,365,529	8,275,615	28,844,718	23,199,763
OPERATING INCOME (LOSS)	(2,350,888)	(1,041,106)	3,971,200	6,693,865
DISCONTINUED OPERATIONS	34,825	(154,292)	581,652	402,062
NET INCOME (LOSS)	(1,479,744)	(1,004,338)	2,110,129	3,456,469
Operating Segments [Member]
Segment Reporting Information [Line Items]
Total operating revenue	14,679,065	15,538,554	101,480,343	78,649,487
Total cost of sales	7,664,424	8,304,045	68,664,425	48,755,859
Total operating expenses	9,392,100	8,300,800	28,922,279	23,271,177
Intersegment Elimination [Member]
Segment Reporting Information [Line Items]
Total operating revenue	(1,064,094)	(1,921,226)	(5,868,734)	(5,535,265)
Total cost of sales	(1,064,094)	(1,921,226)	(5,868,734)	(5,535,265)
Total operating expenses	(26,571)	(25,185)	(77,561)	(71,414)
Natural Gas Operations [Member]
Segment Reporting Information [Line Items]
Total operating revenue	12,542,698	11,500,163	88,327,066	64,779,596
Total cost of sales	5,739,430	4,681,265	56,257,668	36,426,083
GROSS MARGIN	6,803,268	6,818,898	32,069,398	28,353,513
Total operating expenses	8,119,645	7,278,898	24,223,487	21,043,083
OPERATING INCOME (LOSS)	(1,316,377)	(460,000)	7,845,911	7,310,430
DISCONTINUED OPERATIONS	0	0	0	0
NET INCOME (LOSS)	(879,952)	(440,255)	4,189,646	3,787,103
Natural Gas Operations [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total operating revenue	12,544,151	11,502,306	88,343,864	64,797,098
Total cost of sales	5,740,883	4,683,408	56,274,466	36,443,585
Total operating expenses	8,146,216	7,304,083	24,301,048	21,114,497
Natural Gas Operations [Member] | Intersegment Elimination [Member]
Segment Reporting Information [Line Items]
Total operating revenue	(1,453)	(2,143)	(16,798)	(17,502)
Total cost of sales	(1,453)	(2,143)	(16,798)	(17,502)
Total operating expenses	(26,571)	(25,185)	(77,561)	(71,414)
Marketing and Production [Member]
Segment Reporting Information [Line Items]
Total operating revenue	1,072,273	2,117,165	7,284,543	8,334,626
Total cost of sales	860,900	1,701,554	6,538,023	6,794,511
GROSS MARGIN	211,373	415,611	746,520	1,540,115
Total operating expenses	372,682	604,673	2,156,684	1,109,762
OPERATING INCOME (LOSS)	(161,309)	(189,062)	(1,410,164)	430,353
DISCONTINUED OPERATIONS	0	0	0	0
NET INCOME (LOSS)	(108,248)	(129,525)	(936,885)	297,808
Marketing and Production [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total operating revenue	2,134,914	4,036,248	13,136,479	13,852,389
Total cost of sales	1,923,541	3,620,637	12,389,959	12,312,274
Total operating expenses	372,682	604,673	2,156,684	1,109,762
Marketing and Production [Member] | Intersegment Elimination [Member]
Segment Reporting Information [Line Items]
Total operating revenue	(1,062,641)	(1,919,083)	(5,851,936)	(5,517,763)
Total cost of sales	(1,062,641)	(1,919,083)	(5,851,936)	(5,517,763)
Total operating expenses	0	0	0	0
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Total operating revenue	0	0	0	0
Total cost of sales	0	0	0	0
GROSS MARGIN	0	0	0	0
Total operating expenses	873,202	392,044	2,464,547	1,046,918
OPERATING INCOME (LOSS)	(873,202)	(392,044)	(2,464,547)	(1,046,918)
DISCONTINUED OPERATIONS	34,825	(154,292)	581,652	402,062
NET INCOME (LOSS)	(491,544)	(434,558)	(1,142,632)	(628,442)
Corporate and Other [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Total operating revenue	0	0	0	0
Total cost of sales	0	0	0	0
Total operating expenses	873,202	392,044	2,464,547	1,046,918
Corporate and Other [Member] | Intersegment Elimination [Member]
Segment Reporting Information [Line Items]
Total operating revenue	0	0	0	0
Total cost of sales	0	0	0	0
Total operating expenses	$ 0	$ 0	$ 0	$ 0