Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net loss	$ (103,558)	$ (45,371)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Stock based compensation	1,342	6,333
Bad debt expense (recovery)	1,026	(14)
Amortization of debt issuance cost and debt discount	858	2,295
Deferred income realized	(2,268)
Payable in-kind interest		1,590
Loss on early extinguishment of debts		1,299
(Gain) loss from commodity derivatives, net	(16,299)	3,733
Net cash settlement paid for commodity derivative contracts	14,364	(2,594)
Change in fair value of financial instruments	(3,238)	335
Impairment of oil and natural gas properties	94,900	16,580
Non-cash reorganization items, net	8,613
Depreciation, depletion, amortization and accretion of asset retirement obligation	9,999	22,762
Other	61	12
Changes in operating assets and liabilities:
Accounts receivable	7,649	(3,769)
Prepaid expenses and other assets	90	(670)
Accounts payable and accrued liabilities	58	(47,406)
Proceeds from contract incentive		2,500
Net cash provided by (used in) operating activities	13,597	(42,385)
Cash flows from investing activities:
Proceeds from the sale of unproved oil and natural gas properties	24,063	16,911
Capital expenditures	(11,218)	(55,628)
Net cash provided by (used in) investing activities	12,845	(38,717)
Cash flows from financing activities:
Proceeds from debtor in-possession facility	30,000
Proceeds from revolving credit agreement		48,000
Debt issuance costs	(736)	(874)
Repayment of revolving credit agreement	(40,076)	(18,000)
Proceeds from the Värde financing arrangement, net of transaction costs		38,230
Partial repayment of the Värde financing arrangement		(2,600)
Payment for tax withholding on stock-based compensation	(39)	(452)
Net cash provided by (used in) financing activities	(10,851)	64,304
Net increase (decrease) in cash, cash equivalents and restricted cash	15,591	(16,798)
Cash, cash equivalents and restricted cash at beginning of period	3,753	21,137
Cash, cash equivalents and restricted cash at end of period	19,344	4,339
Supplemental disclosure:
Cash paid for interest	4,273	$ 4,829
Cash paid for reorganization items	$ 3,270