CONSOLIDATED BALANCE SHEETS (USD $)	Jun. 30, 2013	Dec. 31, 2012
CURRENT ASSETS
Cash and cash equivalents	$ 0	$ 0
Accounts receivable, net of allowance of $559,878 and $525,556 respectively	13,924,071	11,726,078
Prepaid expenses	791,323	844,495
Derivative instruments	2,084,643	1,892,744
Deferred tax asset, net	10,807,366	10,361,157
Total current assets	27,607,403	24,824,474
PROPERTY AND EQUIPMENT
Oil and gas properties (successful efforts method of accounting)	768,895,637	740,070,145
Other property and equipment	3,010,173	3,061,635
Accumulated depreciation, depletion and amortization	(473,460,678)	(442,304,300)
Total property and equipment, net	298,445,132	300,827,480
NONCURRENT ASSETS
Deposits	34,743	34,743
Debt issuance cost	864,379	1,056,272
Derivative instruments	635,593	67,261
Deferred tax asset, net	43,610,739	41,810,159
Total noncurrent assets	45,145,454	42,968,435
TOTAL ASSETS	371,197,989	368,620,389
CURRENT LIABILITIES
Accounts payable	39,288,738	31,127,671
Accrued liabilities	13,557,426	6,680,843
Asset retirement obligations	1,352,209	876,774
Total current liabilities	54,198,373	38,685,288
NONCURRENT LIABILITIES
Long-term debt	229,926,282	239,368,865
Asset retirement obligations	9,755,352	10,152,432
Other noncurrent liabilities	547,010	571,687
Total noncurrent liabilities	240,228,644	250,092,984
Total liabilities	294,427,017	288,778,272
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS' EQUITY
Common stock (par value $0.001; 200,000,000 shares authorized; 46,951,397 and 46,259,009 shares issued and 46,671,986 and 46,063,822 shares outstanding, respectively)	46,951	46,259
Additional paid-in capital	247,397,834	246,007,941
Retained deficit	(169,536,605)	(165,343,525)
Treasury stock (at cost, 279,411 and 195,187 shares, respectively)	(1,137,208)	(868,558)
Total stockholders' equity	76,770,972	79,842,117
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 371,197,989	$ 368,620,389