Supplemental Cash Flow Information (Tables)

9 Months Ended

Sep. 30, 2016

Cash flow information

Schedule of reconciliation of net loss for the period to cash used in operations

	Nine Months Ended September 30,
	2016		2015
	(in thousands)
Cash flows from operating activities:
Net loss	$	(10,974)	$	(24,101)
Adjustments to reconcile net loss to net cash used in operating activities:
Amortization and depreciation		1,317		3,743
Accretion of asset retirement obligation		143		148
Foreign currency gain on loss contingency		—		(106)
Impairment of long lived assets		—		13,181
Asset write off		24		2
Write off of loss contingency, net		(212)		(1,577)
Gain on sale of assets, net		(1,522)		(367)
Amortization of deferred loan costs		57		—
Warrant liability fair market adjustment		2,821		(1,068)
Derivative liability fair market adjustment		778		—
Accretion of loan discount		372		—
Loss on debt extinguishment		1,653		—
Deferred income taxes		(26)		—
Stock compensation		666		372
Changes in operating assets and liabilities:
Decrease (Increase) in trade accounts receivable		41		(67)
Decrease in prepaid expenses and other assets		150		461
Decrease in inventories		66		393
Decrease in value added tax recoverable, net		347		733
Increase in accrued interest payable net of amounts capitalized		86		—
(Decrease) in deferred revenue		(500)		—
(Decrease) in reclamation liability		(8)		(9)
(Decrease) increase in accounts payable and accrued liabilities		(389)		240
Decrease in deferred leasehold payments		(13)		(8)
Net cash used in operating activities	$	(5,123)	$	(8,030)