CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Thousands		Sep. 30, 2020	Dec. 31, 2019
Current Assets:
Cash and cash equivalents		$ 26,894	$ 16,449
Accounts receivable, net of allowance		44,076	62,120
Derivative assets		46,989	3,916
Prepayments and other current assets		5,566	3,952
Total current assets		123,525	86,437
Property and equipment - at cost, successful efforts method for oil and gas properties:
Proved oil and gas properties		2,758,484	2,644,129
Unproved oil and gas properties, excluded from amortization		231,883	357,793
Furniture, equipment and other		30,450	29,804
Property, plant and equipment, gross		3,020,817	3,031,726
Accumulated depreciation, depletion, amortization and impairment		(2,259,675)	(967,552)
Total property and equipment, net		761,142	2,064,174
Derivative assets		4,591	0
Other noncurrent assets		12,955	5,441
Total		902,213	2,156,052
Current Liabilities:
Accounts payable and accrued liabilities		47,245	71,638
Amounts payable to oil and gas property owners		33,174	37,922
Production taxes payable		22,239	61,507
Derivative liabilities		0	4,411
Total current liabilities		102,658	175,478
Long-term debt, net of debt issuance costs		760,054	758,911
Asset retirement obligations		24,413	23,491
Deferred income taxes		1,556	97,418
Other noncurrent liabilities		26,147	17,436
Commitments and contingencies (Note 11)
Stockholders’ Equity (Deficit):
Common stock, $0.001 par value; authorized 8,000,000 shares; 4,305,252 and 4,273,391 shares issued and outstanding at September 30, 2020 and December 31, 2019, respectively, with 58,956 and 59,369 shares subject to restrictions, respectively (1)	[1]	4	4
Additional paid-in capital (1)	[1]	1,781,125	1,777,986
Accumulated deficit		(1,793,744)	(694,672)
Treasury stock, at cost: zero shares at September 30, 2020 and December 31, 2019 (1)	[1]	0	0
Total stockholders’ equity (deficit)		(12,615)	1,083,318
Total		$ 902,213	$ 2,156,052

[1] Amounts and shares have been retroactively adjusted to reflect a 1-for-50 reverse stock split effective October 30, 2020. See Note 12 for additional information.