Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Operating activities:
Net loss	$ (544)	$ (7,842)
Adjustment for net (income) loss from discontinued operations	(16,202)	13,763
Net (loss) income from continuing operations	(16,746)	5,921
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Share-based compensation	496	1,334
Foreign currency loss	593	7,026
Loss (gain) on commodity derivative contracts	2,419	(25,430)
Cash settlement on commodity derivative contracts	4,188	27,560
Amortization on loan financing costs	1,015	684
Bad debt expense		320
Deferred income tax expense	1,239	2,635
Exploration, abandonment and impairment	2,964	8,202
Depreciation, depletion and amortization	23,053	28,183
Accretion of asset retirement obligations	285	277
Gain on sale of gas gathering facility	(620)
Derivative put costs		(1,580)
Vendor settlements		(236)
Changes in operating assets and liabilities:
Accounts receivable	(4,643)	13,596
Prepaid expenses and other assets	(1,528)	1,226
Accounts payable and accrued liabilities	6,892	(16,838)
Net cash provided by operating activities from continuing operations	19,607	52,880
Net cash used in operating activities from discontinued operations	(822)	(14,718)
Net cash provided by operating activities	18,785	38,162
Investing activities:
Additions to oil and natural gas properties	(4,664)	(18,734)
Restricted cash	6,398	(198)
Proceeds from asset sale	1,104
Additions to equipment and other properties	(139)	(4,664)
Net cash provided by (used in) investing activities from continuing operations	2,699	(23,596)
Net cash used in investing activities from discontinued operations		(9,715)
Net cash provided by (used in) investing activities	2,699	(33,311)
Financing activities:
Issuance of common shares	1,658
Tax withholding on restricted share units	(59)	(383)
Treasury stock repurchases		(943)
Loan proceeds	30,076	12,348
Loan repayment	(39,517)	(24,878)
Loan financing costs		(30)
Net cash used in financing activities from continuing operations	(7,842)	(13,886)
Net cash used in financing activities from discontinued operations		(13,709)
Net cash used in financing activities	(7,842)	(27,595)
Effect of exchange rate on cash flows and cash equivalents	(517)	(1,812)
Net increase (decrease) in cash and cash equivalents	13,125	(24,556)
Cash and cash equivalents, beginning of period	7,480	35,132
Cash and cash equivalents, end of period	20,605	10,576
Supplemental disclosures:
Cash paid for interest	4,057	7,318
Cash paid for taxes	3,423	2,481
Supplemental non-cash financing activities:
Issuance of common shares	$ 2,312
Contingent payment event		(4,188)
Repayment of the prepayment agreement		$ 2,739