Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Income Taxes

Schedule of income (loss) from operations before income taxes by country

	For the Year Ended December 31,
	2016		2015
	(in thousands)
United States	$	(11,732)	$	(6,484)
Other Countries		1,073		(18,899)
	$	(10,659)	$	(25,383)

Summary of reconciliation of the provision for income taxes computed at the statutory rate to the provision for income taxes

	For Year Ended December 31,
	2016		2015
	(in thousands)
Tax expense (benefit) at US rate of 34%	$	(3,624)	$	(8,630)
Other adjustments:
Rate differential of other jurisdictions		(98)		681
Effects of foreign earnings		(786)		(1,475)
Change in valuation allowance		(4,690)		3,745
Provision to tax return true-ups		209		(10,533)
Exchange rate changes on deferred tax assets		8,802		15,772
Effect of a change in tax rates		(1,177)		—
Debt extinguishment loss		550		—
Warrant liability loss		838		—
Other		(24)		440
Income tax provision	$	—	$	—

Schedule of components of the deferred tax assets and deferred tax liabilities

	For the  year ended
	December 31,
	2016		2015
	(in thousands)
Deferred tax assets:
Net operating loss carryforwards	$	96,038	$	98,571
Stock-based compensation		1,435		1,325
Property, plant and equipment		7,545		9,816
Other		1,016		1,139
		106,034		110,851
Less: Valuation allowance		(105,820)		(110,510)
Total deferred tax assets		214		341
Deferred tax liabilities:
Property, plant and equipment		(195)		(189)
Other		(19)		(152)
Total deferred tax liabilities		(214)		(341)
Net deferred tax asset (liability)	$	—	$	—

Schedule of reconciliation of the beginning and ending amount of gross unrecognized tax benefits

	The Year Ended December 31,
	2016		2015
	(in thousands)
Gross unrecognized tax benefits at beginning of period	$	937	$	1,163
Increases for tax positions taken during prior years		—		—
Decreases relating to settlements with taxing authorities		—		—
Reductions due to lapse of statute of limitations		(197)		(226)
Gross unrecognized tax benefits at end of period	$	740	$	937