Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 517	$ 3,671
Accrued production receivable	216,161	143,365
Trade and other receivables, net	17,571	19,270
Prepaids	10,175	9,099
Total current assets	244,424	175,405
Oil and natural gas properties (using full cost accounting)
Proved properties	1,149,762	1,109,011
Unevaluated properties	131,677	112,169
CO2 properties	184,043	183,369
Pipelines	226,766	224,394
CCUS storage sites and related assets	20,949	0
Other property and equipment	94,993	93,950
Less accumulated depletion, depreciation, amortization and impairment	(210,537)	(181,393)
Net property and equipment	1,597,653	1,541,500
Operating lease right-of-use assets	18,595	19,502
Derivative assets	265	0
Deferred tax assets, net	4,306	0
Intangible assets, net	85,966	88,248
Restricted cash for future asset retirement obligations	46,695	46,673
Other assets	33,445	31,625
Total assets	2,031,349	1,902,953
Current liabilities
Accounts payable and accrued liabilities	201,598	191,598
Oil and gas production payable	99,247	75,899
Derivative liabilities	223,598	134,509
Operating lease liabilities	4,683	4,677
Total current liabilities	529,126	406,683
Long-term liabilities
Long-term debt, net of current portion	35,000	35,000
Asset retirement obligations	282,792	284,238
Derivative liabilities	10,837	0
Deferred tax liabilities, net	0	1,638
Operating lease liabilities	16,095	17,094
Other liabilities	19,850	22,910
Total long-term liabilities	364,574	360,880
Commitments and contingencies (Note 8)
Stockholders' equity
Preferred stock, $.001 par value, 50,000,000 shares authorized, none issued and outstanding	0	0
Common stock, $.001 par value, 250,000,000 shares authorized; 50,349,390 and 50,193,656 shares issued, respectively	50	50
Paid-in capital in excess of par	1,133,127	1,129,996
Retained earnings	4,472	5,344
Total stockholders' equity	1,137,649	1,135,390
Total liabilities and stockholders' equity	$ 2,031,349	$ 1,902,953