Acquisition and Divestitures (Tables)

6 Months Ended

Jun. 30, 2014

Acquisitions and Divestitures [Abstract]

Business Acquisition, Purchase Price Allocation [Table Text Block]

The following table represents the fair values assigned to the net assets acquired and the consideration paid:

Assets
Oil and gas properties - proved	$	267,688
Oil and gas properties - unproved	119,709
Accounts receivable, net	107,345
Other assets	2,068
	496,810
Liabilities
Accounts payable and accrued expenses	94,771
Other liabilities	1,500
	96,271
Net assets acquired	$	400,539
Cash, net of amounts received for preferential rights	$	358,239
Fair value of the Shares issued to MHR	42,300
Consideration paid	$	400,539

Business Acquisition, Pro Forma Information [Table Text Block]

The results of operations attributable to the EF Acquisition have been included in our Condensed Consolidated Financial Statements from the Acquisition Date. The following table presents unaudited summary pro forma financial information for the periods presented assuming the EF Acquisition and the related financing occurred as of January 1, 2012. The pro forma financial information does not purport to represent what our results of operations would have been if the EF Acquisition had occurred as of this date or the results of operations for any future periods.

	Periods Ended June 30, 2013
	Three Months			Six Months
Total revenues	$	113,735		$	222,799
Net loss attributable to common shareholders	$	(7,896	)	$	(23,412	)
Loss per share - basic and diluted	$	(0.12	)	$	(0.36	)