Acquisitions (Tables)

6 Months Ended

Jun. 30, 2013

Business Acquisition [Line Items]

Financial information of the Company for acquisition

	Three months ended June 30,						Six months ended June 30,
	2013			2012			2013		2012
Revenues	$	21,637,716		$	14,925,223		$	67,964,712	$	49,634,501
Net income (loss)	$	(223,130	)	$	(634,169	)	$	4,871,798	$	2,957,062
Basic and diluted earnings (loss) per share	$	(0.26	)	$	(0.78	)	$	0.58	$	0.36

John D. Oil and Gas Marketing [Member]

Business Acquisition [Line Items]

Estimated fair value of the assets acquired and liabilities assumed

	Fair Value at April 1, 2012
Current assets	$	69,634
Property, plant and equipment		1,577,592
Goodwill		283,425
Total assets acquired		1,930,651
Current liabilities		184,770
Long-term liabilities		194,403
Total liabilities assumed		379,173
Net assets acquired	$	1,551,478

Public Gas Company, Inc. [Member]

Business Acquisition [Line Items]

Estimated fair value of the assets acquired and liabilities assumed

	Fair Value at June 1, 2013
Property, plant and equipment	$	21,600
Customer relationships		2,500,000
Goodwill		1,625,518
Total assets acquired		4,147,118
Current liabilities		207,322
Long-term liabilities		1,279,000
Notes Payable, less current portion		19,597
Total liabilities assumed		1,505,919
Net assets acquired	$	2,641,199