Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

Income Taxes

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

	For the Year Ended December 31,
	2015			2014
	(in thousands)
United States	$	(6,484	)	$	(8,207	)
Other Countries	(18,899		)	(10,616		)
	$	(25,383	)	$	(18,823	)

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

	For the Year Ended December 31,
	2015			2014
	(in thousands)
Tax expense (benefit) at US rate of 34%	$	(8,630	)	$	(6,400	)
Other adjustments:
Rate differential of other jurisdictions	681			301
Effects of foreign earnings	(1,475		)	(2,238		)
Change in valuation allowance	3,745			14,127
Provision to tax return true-ups	(10,533		)	(18,826		)
Exchange rate changes on deferred tax assets	15,772			13,605
Other	440			(569		)
Income tax provision	$	—		$	—

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

	For the years ended
	December 31,
	2015			2014
	(in thousands)
Deferred tax assets:
Net operating loss carryforwards	$	98,571		$	93,364
Stock-based compensation	1,325			1,943
Property, plant and equipment	9,816			13,990
Other	1,139			1,289
	110,851			110,586
Less: Valuation allowance	(110,510		)	(106,764		)
Total deferred tax assets	341			3,822
Deferred tax liabilities:
Property, plant and equipment	(189		)	(3,436		)
Other	(152		)	(386		)
Total deferred tax liabilities	(341		)	(3,822		)
Net deferred tax asset (liability)	$	—		$	—

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

	The Year Ended December 31,
	2015			2014
	(in thousands)
Gross unrecognized tax benefits at beginning of period	$	1,163		$	1,668
Increases for tax positions taken during prior years
Decreases relating to settlements with taxing authorities
Reductions due to lapse of statute of limitations	(226		)	(505		)
Gross unrecognized tax benefits at end of period	$	937		$	1,163