Consolidated Statements of Operations (USD $) In Thousands, except Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
OIL AND GAS SALES, net of gain or (loss) from ineffectiveness of derivatives of $(2,072), $(116), $(1,349) and $(1,373), respectively	$ 28,364	$ 24,833	$ 90,629	$ 69,346
EXPENSES:
Lease operations	3,194	2,790	8,965	8,144
Production and severance taxes	310	(578)	859	447
Depreciation, depletion, and amortization	13,989	9,602	40,083	24,704
Impairment of oil and natural gas properties and assets held for sale	62,550	0	127,731	0
General and administrative	7,609	6,652	22,284	20,057
Total expenses	87,652	18,466	199,922	53,352
Income (loss) from operations	(59,288)	6,367	(109,293)	15,994
NON-OPERATING INCOME (EXPENSES):
Interest expense	(7,680)	(4,794)	(23,534)	(13,678)
Loss on extinguishment of debt	0	0	(176)	0
Interest and other income	9	(13)	291	19
Unrealized gain or (loss) on derivatives	(1,338)	10	3,654	(103)
Total non-operating expense	(9,009)	(4,797)	(19,765)	(13,762)
Income (loss) before income taxes	(68,297)	1,570	(129,058)	2,232
INCOME TAX (PROVISION) BENEFIT	2,386	2,934	(481)	6,354
NET (LOSS) INCOME	(65,911)	4,504	(129,539)	8,586
Net income attributable to noncontrolling interest	1,181	1,180	4,339	2,111
NET (LOSS) INCOME APPLICABLE TO GMX RESOURCES	(67,092)	3,324	(133,878)	6,475
Preferred stock dividends	1,837	1,156	4,884	3,469
NET (LOSS) INCOME APPLICABLE TO COMMON SHAREHOLDERS	$ (68,929)	$ 2,168	$ (138,762)	$ 3,006
(LOSS) EARNINGS PER SHARE – Basic (in dollars per share)	$ (1.21)	$ 0.08	$ (2.69)	$ 0.11
(LOSS) EARNINGS PER SHARE – Diluted (in dollars per share)	$ (1.21)	$ 0.08	$ (2.69)	$ 0.11
WEIGHTED AVERAGE COMMON SHARES – Basic	56,842,336	28,256,684	51,629,035	28,180,741
WEIGHTED AVERAGE COMMON SHARES – Diluted	56,842,336	28,267,781	51,629,035	28,249,495