Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash flows from operating activities:
Net loss	$ (6,119)	$ (32,424)
Stock-based compensation	1,577	1,603
Depreciation, depletion and amortization	12,115	14,859
Amortization of investment in Ecuador property	17	81
Deferred income taxes	3,011	(2,602)
Loss on extinguishment of debt	1,245	3,786
Amortization of discount and deferred financing fees	4,263	5,071
(Gain) loss on derivatives	239	(729)
Other non-cash items included in net loss	(32)	43
Changes in operating assets and liabilities:
Decrease in accounts receivable	887	16,239
Decrease in value-added tax receivable	8,731	5,489
(Increase) decrease in inventory	3,733	(236)
Increase in other assets	(946)	(5,770)
Decrease in income taxes receivable	161	0
Increase (decrease) in accounts payable	(483)	18,696
Increase (decrease) in accrued liabilities	972	(13,699)
Decrease in income taxes payable	0	(11,932)
Decrease in other liabilities	(295)	(237)
Net cash provided by (used in) operating activities	29,076	(1,762)
Cash flows from investing activities:
Property and equipment additions	(19,243)	(5,403)
Decrease in restricted cash	250	63,680
Purchase of investment securities	0	(1,000)
Net cash provided by (used in) investing activities	(18,993)	57,277
Cash flows from financing activities:
Borrowings		14,545
Repayments of borrowings	0	(46,139)
Deferred and other loan fees	(296)	(3,654)
Proceeds from sale of common stock, net	19	25
Net cash used in financing activities	(277)	(35,223)
Net increase in cash and cash equivalents	9,806	20,292
Cash and cash equivalents at beginning of period	57,395	83,540
Cash and cash equivalents at end of period	67,201	103,832
Cash paid for:
Interest	9,266	9,404
Income tax	1,012	13,785
Non — cash items:
Convertible debt exchanged	26,000
Depletion allocated to production inventory	241	18
Asset retirement obligation capitalized to property and equipment, net of revisions	105	0
Property and equipment transferred to / from current assets / liabilities or other non-current assets	$ 0	$ 952