Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	1 Months Ended	2 Months Ended	3 Months Ended
	Feb. 08, 2019	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities:
Net income (loss)		$ 737
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Deferred tax expense		0
Depreciation, depletion and amortization		2,282
Accretion of asset retirement obligation		23
Share-based compensation expense		366
Amortization costs and other		253
Non-cash interest expense on PIK Notes		1,111
Payments to settle asset retirement obligations		(19)
Non-cash reorganization items, net		0
Changes in working capital accounts:
Revenue receivable		9,848
Joint interest billing receivable		2,616
Accounts payable and accrued liabilities		(15,872)
Advances from co-owners		384
Refund of (Deposit for) surety bonds		3,475
Other		(1,123)
Net cash provided by (used in) operating activities		4,081
Cash flows used in investing activities:
Investment in oil and gas properties		(4,075)
Investment in other property and equipment		0
Sale of oil and gas properties		0
Sale of unevaluated oil and gas properties		0
Net cash used in investing activities		(4,075)
Cash flows provided by financing activities:
Net proceeds from share based compensation		0
Deferred financing costs		0
Costs incurred to redeem 2021 Notes		0
Net cash provided by financing activities		0
Net increase (decrease) in cash and cash equivalents		6
Cash, restricted cash and cash equivalents, beginning of period		28,748
Cash, restricted cash and cash equivalents, end of period	$ 28,748	28,754
Cash paid during the period for:
Interest, net of capitalized interest		0
Reorganization items, net		5
Predecessor
Cash flows from operating activities:
Net income (loss)	261,727		$ (927)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Deferred tax expense	241		106
Depreciation, depletion and amortization	1,796		6,505
Accretion of asset retirement obligation	17		198
Share-based compensation expense	44		340
Amortization costs and other	555		211
Non-cash interest expense on PIK Notes	0		2,961
Payments to settle asset retirement obligations	(11)		(3)
Non-cash reorganization items, net	(267,585)		0
Changes in working capital accounts:
Revenue receivable	(7,340)		7,493
Joint interest billing receivable	(2,192)		3,016
Accounts payable and accrued liabilities	8,363		(11,583)
Advances from co-owners	1,343		(549)
Refund of (Deposit for) surety bonds	0		(2,800)
Other	2,336		112
Net cash provided by (used in) operating activities	(706)		5,080
Cash flows used in investing activities:
Investment in oil and gas properties	(5,290)		(5,810)
Investment in other property and equipment	(36)		(98)
Sale of oil and gas properties	0		(2,405)
Sale of unevaluated oil and gas properties	0		1,750
Net cash used in investing activities	(5,326)		(6,563)
Cash flows provided by financing activities:
Net proceeds from share based compensation	0		43
Deferred financing costs	(111)		(26)
Costs incurred to redeem 2021 Notes	0		(11)
Net cash provided by financing activities	(111)		6
Net increase (decrease) in cash and cash equivalents	(6,143)		(1,477)
Cash, restricted cash and cash equivalents, beginning of period	34,891	$ 28,748	15,655
Cash, restricted cash and cash equivalents, end of period	28,748		14,178
Cash paid during the period for:
Interest, net of capitalized interest	929		1,368
Reorganization items, net	$ 4,784		$ 0