Income Taxes (Tables)

12 Months Ended

Dec. 31, 2014

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

The income tax provision consists of the following (in thousands):

	For the Years Ended December 31,
	2014			2013			2012
Current provision:
Federal	$	—		$	—		$	—
State	21			(70		)	122
Foreign	2,127			2,299			1,252
Total current provision	2,148			2,229			1,374
Deferred provision (benefit):
Federal	(73		)	—			(65		)
State	(3		)	—			(3		)
Foreign	420			12,726			1,284
Total deferred provision	344			12,726			1,216
Total income tax provision	$	2,492		$	14,955		$	2,590

Schedule of Effective Income Tax Rate Reconciliation

The income tax provision (benefit) differs from the amount computed by applying the statutory federal income tax rate to pretax income as a result of the following differences (dollar amounts in thousands):

	For the Years Ended December 31,
	2014					2013					2012
	$			%		$			%		$			%
Statutory federal tax (benefit) rate	$	(8,781	)	35.0	%	$	(12,057	)	35.0	%	$	(14,309	)	35.0	%
Increase (decrease) in rates resulting from:
State taxes	(246		)	1.0		(356		)	1.0		(266		)	0.7
Foreign dividends and unremitted earnings	(586		)	2.3		1,938			(5.6	)	6,754			(16.5	)
Goodwill impairment expense and (benefit) from acquisitions	—			—		—			—		9,377			(22.9	)
Valuation allowance	7,367			(29.4	)	26,662			(77.4	)	3,725			(9.1	)
Taxes on foreign income that differ from U.S. tax rate	2,488			(9.9	)	(2,314		)	6.7		(2,796		)	6.8
Tax credits	—			—		(252		)	0.7		(304		)	0.7
Non-deductible stock-based compensation expense	1,206			(4.8	)	1,596			(4.6	)	1,812			(4.4	)
Earnout liability fair value adjustment	(43		)	0.2		(596		)	1.7		(1,768		)	4.3
Other	1,087			(4.3	)	334			(1.0	)	365			(0.9	)
Effective tax rate	$	2,492		(9.9	)%	$	14,955		(43.4	)%	$	2,590		(6.3	)%

Schedule of Deferred Tax Assets and Liabilities

The components of deferred taxes consist of the following (in thousands):

	December 31, 2014			December 31, 2013
Deferred tax assets:
Accrued warranty	$	937		$	1,166
Inventory	1,731			2,952
Restructuring accrual	58			317
Net operating loss carryforwards	61,521			52,248
Tax credit carryforwards	23,866			24,692
Stock-based compensation	2,042			2,490
Capitalized research and development	—			144
Fixed assets	950			2,437
Goodwill	2,516			3,358
Other	4,056			5,005
Total deferred tax assets	97,677			94,809
Less: valuation allowance	(84,240		)	(76,873		)
Net deferred tax assets	13,437			17,936
Deferred tax liabilities:
Intangible assets	(11,955		)	(13,636		)
Other	(402		)	(493		)
Total deferred tax liabilities	(12,357		)	(14,129		)
Total net deferred tax assets	$	1,080		$	3,807

Schedule of Unrecognized Tax Benefits Roll Forward

The Company’s total amounts of unrecognized tax benefits at the beginning and end of the period are as follows (in thousands):

	Total
Balance as of December 31, 2012	$	3,011
Additions based on tax positions related to the current year	532
Additions for tax positions of prior years	281
Reductions for tax positions of prior years	(102		)
Reductions as a result of a lapse of applicable statute of limitations	(70		)
Other	(206		)
Balance as of December 31, 2013	$	3,446
Additions based on tax positions related to the current year	357
Additions for tax positions of prior years	76
Reductions for tax positions of prior years	(98		)
Reductions as a result of a lapse of applicable statute of limitations	(95		)
Other	2
Balance as of December 31, 2014	$	3,688