Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash Flows from Operating Activities:
Net income (loss)	$ (108,303)	$ (477,077)
Adjustments to reconcile net income to net cash provided by operating activities -
Depreciation, depletion, and amortization	17,245	60,698
Write-down of oil and gas properties	77,732	502,569
Accretion of asset retirement obligation	1,291	1,365
Deferred income taxes	0	(79,491)
Stock-based compensation expenses	770	879
Reorganization items (non-cash)	5,422	0
Other Noncash Income (Expense)	2,551	373
(Increase) Decrease in accounts receivable and other current assets	3,167	7,880
Increase (decrease) in accounts payable and accrued liabilities	5,185	(9,646)
Increase (decrease) in accrued interest	(15)	(8,320)
Net Cash Provided by Operating Activities	5,045	(770)
Cash Flows from Investing Activities:
Additions to property and equipment	(36,595)	(49,173)
Proceeds from the sale of property and equipment	4,876	0
Net Cash Used in Investing Activities	(31,719)	(49,173)
Cash Flows from Financing Activities:
Proceeds from bank borrowings	15,000	103,400
Payments of bank borrowings	0	(53,700)
Net proceeds from issuances of common stock	0	302
Purchase of treasury shares	(4)	(154)
Net Cash Used in Financing Activities	14,996	49,848
Net Increase (Decrease) in Cash and Cash Equivalents	(11,678)	(95)
Cash and Cash Equivalents at Beginning of Period	29,460	406
Cash and Cash Equivalents at End of Period	17,782	311
Supplemental Disclosures of Cash Flows Information:
Cash paid during period for interest, net of amounts capitalized	4,793	25,979
Cash paid for reorganization items	$ 5,007	$ 0