Consolidated Balance Sheets (Unaudited) (USD $) In Thousands	Sep. 30, 2011		Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 2,101		$ 14,190
Short-term restricted deposits	100,000		100,000
Trade accounts receivable, net of allowance for doubtful accounts of $175 and $100, respectively	7,598		7,373
Assets held for sale - DHS subsidiary	70,819		108,218
Deposits and prepaid assets	1,790		1,720
Inventories	153		3,446
Derivative instruments	1,463		0
Other current assets	1,344		4,821
Total current assets	185,268		239,768
Oil and gas properties, successful efforts method of accounting:
Unproved	72,190		229,943
Proved	684,539		671,041
Pipeline and gathering systems	63,842		93,558
Other	11,713		13,556
Total property and equipment	832,284		1,008,098
Less accumulated depreciation and depletion	(469,762)		(232,493)
Net property and equipment	362,522		775,605
Long-term assets:
Investments in unconsolidated affiliates	3,599		3,376
Deferred financing costs	1,299		1,832
Other long-term assets	1,583		3,531
Total long-term assets	6,481		8,739
Total assets	554,271		1,024,112
Current liabilities:
Credit facility - Delta	21,000		0
Installment payable on property acquisition	99,785		97,874
3 3/4% Senior convertible notes - current	112,167		0
Accounts payable	18,152		27,616
Liabilities related to assets held for sale - DHS subsidiary	78,829		82,852
Other accrued liabilities	12,662		11,066
Derivative instruments	0		574
Total current liabilities	342,595		219,982
Long-term liabilities:
7% Senior notes	149,741		149,684
3 3/4% Senior convertible notes	0		108,593
Credit facility - Delta	0		29,130
Asset retirement obligations	3,354		2,709
Derivative instruments	319		2,419
Total long-term liabilities	153,414		292,535
Commitments and contingencies
Equity:
Preferred stock, $.01 par value: authorized 3,000,000 shares, none issued
Common stock, $.01 par value: authorized 200,000,000 shares, issued 28,870,000 shares at September 30, 2011 and 28,513,800 shares at December 31, 2010	289	[1]	285	[1]
Additional paid-in capital	1,640,591		1,635,783
Treasury stock at cost; zero shares at September 30, 2011 and 3,300 shares at December 31, 2010	0	[1]	(279)	[1]
Accumulated deficit	(1,579,578)		(1,121,342)
Total Delta stockholders' equity	61,302		514,447
Non-controlling interest	(3,040)		(2,852)
Total equity	58,262		511,595
Total liabilities and equity	$ 554,271		$ 1,024,112

[1] All common share amounts (except par value and par value per share amounts) have been retroactively restated to reflect the Company's one-for-ten reverse common stock split effective July 13, 2011, as described in Note 10 - Stockholders' Equity to these consolidated financial statements.