UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 1,865
Accounts receivable, net (see Note 12)	63,021	$ 80,455
Prepaid expenses and other current assets	23,452	18,789
Total current assets	88,338	99,244
Property and equipment, at cost:
Oil and natural gas properties, successful efforts method	858,651	840,310
Support equipment and facilities	147,613	147,496
Other	9,801	9,648
Accumulated depreciation, depletion and amortization	(671,042)	(658,162)
Property and equipment, net	345,023	339,292
Restricted investments	15,550	11,326
Operating lease - long term right-of-use asset	6,428	7,376
Deferred tax asset	259,422	0
Other long-term assets	719	2,240
Total assets	715,480	459,478
Current liabilities:
Accounts payable	23,382	38,414
Revenues payable	21,496	22,105
Accrued liabilities (see Note 12)	55,387	58,449
Short-term derivative instruments	735	20,884
Total current liabilities	101,000	139,852
Long-term debt (see Note 7)	120,000	190,000
Asset retirement obligations	118,627	114,614
Operating lease liability	5,818	6,567
Other long-term liabilities	11,891	13,010
Total liabilities	357,336	464,043
Commitments and contingencies (see Note 14)
Stockholders' equity (deficit):
Preferred stock, $0.01 par value: 50,000,000 shares authorized; no shares issued and outstanding at June 30, 2023 and December 31, 2022
Common stock, $0.01 par value: 250,000,000 shares authorized; 38,971,426 and 38,459,731 shares issued and outstanding at June 30, 2023 and December 31, 2022, respectively	391	386
Additional paid-in capital	432,380	432,251
Accumulated deficit	(74,627)	(437,202)
Total stockholders' equity (deficit)	358,144	(4,565)
Total liabilities and equity	$ 715,480	$ 459,478