Income Taxes (Tables)

12 Months Ended

Dec. 31, 2013

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,
	2013			2012			2011
Current provision:
Federal	$	—		$	—		$	—
State	(70		)	122			38
Foreign	2,299			1,252			271
Total current provision	2,229			1,374			309
Deferred provision (benefit):
Federal	—			(65		)	(9,451		)
State	—			(3		)	(74		)
Foreign	12,726			1,284			(1,916		)
Total deferred provision (benefit)	12,726			1,216			(11,441		)
Total income tax provision (benefit)	$	14,955		$	2,590		$	(11,132	)

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,
	2013					2012					2011
	$			%		$			%		$			%
Statutory federal tax (benefit) rate	$	(12,057	)	35.0	%	$	(14,309	)	35.0	%	$	(4,431	)	35.0	%
Increase (decrease) in rates resulting from:
State taxes	(347		)	1.0		(266		)	0.7		(131		)	1.0
Foreign dividend	1,938			(5.6	)	6,754			(16.5	)	—			—
Goodwill impairment expense and (benefit) from acquisitions	—			—		9,377			(22.9	)	(81		)	0.6
Valuation allowance	32,784			(95.2	)	3,725			(9.1	)	(5,524		)	43.6
Taxes on foreign income that differ from U.S. tax rate	(8,507		)	24.7		(2,796		)	6.8		(2,888		)	22.8
Tax credits	(252		)	0.7		(304		)	0.7		(737		)	5.8
Non-deductible stock-based compensation expense	1,596			(4.6	)	1,812			(4.4	)	1,275			(10.1	)
Earnout liability fair value adjustment	(596		)	1.7		(1,768		)	4.3		—			—
Transaction costs	—			—		—			—		1,183			(9.3	)
Other	396			(1.2	)	365			(0.9	)	202			(1.5	)
Effective tax rate	$	14,955		(43.5	)%	$	2,590		(6.3	)%	$	(11,132	)	87.9	%

Schedule of Deferred Tax Assets and Liabilities

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

	December 31, 2013			December 31, 2012
Deferred tax assets:
Accrued warranty	$	1,166		$	1,136
Inventory	2,952			1,734
Restructuring accrual	317			119
Net operating loss carryforwards	52,248			40,547
Tax credit carryforwards	24,692			25,256
Stock-based compensation	2,490			2,696
Capitalized research and development	144			556
Fixed assets	2,437			2,179
Goodwill	3,358			4,464
Other	5,005			5,723
Total deferred tax assets	94,809			84,410
Less: valuation allowance	(82,995		)	(50,200		)
Net deferred tax assets	11,814			34,210
Deferred tax liabilities:
Intangible assets	(7,514		)	(17,286		)
Other	(493		)	(387		)
Total deferred tax liabilities	(8,007		)	(17,673		)
Total net deferred tax assets	$	3,807		$	16,537

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, 2011	$	2,878
Additions based on tax positions related to the current year	42
Additions for tax positions of prior years	260
Reductions for tax positions of prior years	(169		)
Reductions as a result of a lapse of applicable statute of limitations	—
Other	—
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