Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
OIL AND GAS SALES	$ 16,283	$ 32,858	$ 33,684	$ 62,235
EXPENSES:
Lease operations	2,888	2,836	5,996	5,733
Production and severance taxes	556	166	319	549
Depreciation, depletion, and amortization	6,974	13,304	14,439	26,093
Impairment of oil and natural gas properties and assets held for sale	91,690	16,861	120,690	65,181
General and administrative	6,802	7,605	13,797	14,683
Total expenses	108,910	40,772	155,241	112,239
Loss from operations	(92,627)	(7,914)	(121,557)	(50,004)
NON-OPERATING INCOME (EXPENSES):
Interest expense	(10,122)	(7,832)	(20,825)	(15,854)
Gain (loss) on conversion/extinguishment of debt	831	(67)	3,612	(176)
Interest and other income	35	12	108	282
Unrealized gain (loss) on derivatives	(11)	5,437	779	4,992
Total non-operating expense	(9,267)	(2,450)	(16,326)	(10,756)
Loss before income taxes	(101,894)	(10,364)	(137,883)	(60,760)
INCOME TAX PROVISION	(1,418)	(1,436)	(3,305)	(2,868)
NET LOSS	(103,312)	(11,800)	(141,188)	(63,628)
Net income attributable to noncontrolling interest	982	1,746	1,870	3,158
NET LOSS APPLICABLE TO GMX RESOURCES	(104,294)	(13,546)	(143,058)	(66,786)
Preferred stock dividends	1,837	1,837	3,673	3,047
NET LOSS APPLICABLE TO COMMON SHAREHOLDERS	$ (106,131)	$ (15,383)	$ (146,731)	$ (69,833)
LOSS PER SHARE – Basic ($ per share)	$ (1.52)	$ (0.28)	$ (2.23)	$ (1.43)
LOSS PER SHARE – Diluted ($ per share)	$ (1.52)	$ (0.28)	$ (2.23)	$ (1.43)
WEIGHTED AVERAGE COMMON SHARES – Basic (shares)	69,925,895	55,660,978	65,832,321	48,959,825
WEIGHTED AVERAGE COMMON SHARES – Diluted (shares)	69,925,895	55,660,978	65,832,321	48,959,825