UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 502	$ 20,746
Accounts receivable, net (see Note 12)	36,306	39,096
Short-term derivative instruments	1,780	17,669
Prepaid expenses and other current assets	23,430	20,672
Total current assets	62,018	98,183
Property and equipment, at cost:
Oil and natural gas properties, successful efforts method	909,387	873,478
Support equipment and facilities	150,295	149,069
Other	11,352	10,359
Accumulated depreciation, depletion and amortization	(702,232)	(686,165)
Property and equipment, net	368,802	346,741
Long-term derivative instruments	0	9,405
Restricted investments	24,904	19,935
Operating lease - long term right-of-use asset	5,012	5,756
Deferred tax asset	256,363	253,796
Other long-term assets	3,276	3,858
Total assets	720,375	737,674
Current liabilities:
Accounts payable	25,056	23,616
Revenues payable	12,629	21,944
Accrued liabilities (see Note 12)	35,831	50,871
Total current liabilities	73,516	96,431
Long-term debt (see Note 7)	118,000	115,000
Asset retirement obligations	125,739	122,001
Long-term derivative instruments	477	0
Operating lease liability	4,241	5,090
Other long-term liabilities	8,113	8,116
Total liabilities	330,086	346,638
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, 2024 and December 31, 2023
Common stock, $0.01 par value: 250,000,000 shares authorized; 39,637,947 and 39,147,205 shares issued and outstanding at June 30, 2024 and December 31, 2023, respectively	398	393
Additional paid-in capital	436,582	435,095
Accumulated deficit	(46,691)	(44,452)
Total stockholders' equity (deficit)	390,289	391,036
Total liabilities and equity	$ 720,375	$ 737,674