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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2013

Income Tax Disclosure [Abstract]

Schedule of Income before Income Tax, Domestic and Foreign

Consolidated income before taxes for domestic and foreign operations consisted of the following:

	Year ended December 31,
	2013				2012
Domestic	$	8,714			$	42,990
Foreign	(945		)		(435		)
Total	$	7,769			$	42,555

Schedule of Components of Income Tax Expense (Benefit)

The Company's (provision) for income taxes consisted of the following:

	Year ended December 31,
	2013				2012
Current:
Federal	$	(1,993	)		$	(16,910	)
State	(765		)		(381		)
Foreign	144				(74		)
Total current	(2,614		)		(17,365		)
Deferred:
Federal	202				455
State	(234		)		46
Foreign	165				160
	133				661
Change in valuation allowance	(109		)		796
Total deferred	24				1,457
(Provision) for income taxes	$	(2,590	)		$	(15,908	)

Schedule of Effective Income Tax Rate Reconciliation

The income tax (provision) differs from that computed at the federal statutory corporate income tax rate as follows:

	Year ended December 31,
	2013				2012
Tax (provision) at Federal statutory rate	$	(2,642	)		$	(14,894	)
State income tax (provision), net of federal benefit	(293		)		(1,476		)
Research and development tax credits	616				357
Foreign earnings or losses taxed at different rates	(170		)		(136		)
Other	8				(555		)
Change in valuation allowance	(109		)		796
Tax (provision)	$	(2,590	)		$	(15,908	)

Schedule of Deferred Tax Assets and Liabilities

The tax effects of significant temporary differences representing net deferred tax assets and liabilities consisted of the following:

	As of December 31, 2013								As of December 31, 2012
	Current				Long-term				Current				Long-term
Deferred revenue	$	971			$	—			$	856			$	—
Basis difference in intangible assets	—				82				—				159
Inventory reserve	1,955				—				1,871				—
Net operating loss carryforwards	—				682				—				667
Research and development tax credits	—				31				—				248
Accrued expenses	159				—				140				—
Stock-based compensation	—				679				—				684
Allowance for sales returns and doubtful accounts	47				—				20				—
Difference in property and equipment basis	—				(388		)		—				(475		)
Other	458				51				462				(19		)
Total net deferred income tax asset	3,590				1,137				3,349				1,264
Less: Valuation allowance	(265		)		(113		)		(201		)		(69		)
Net deferred income tax asset (liability)	$	3,325			$	1,024			$	3,148			$	1,195

Schedule of Unrecognized Tax Benefits Roll Forward

A reconciliation of the beginning and ending amount of liabilities associated with uncertain tax positions is as follows:

	Year ended December 31,
	2013				2012
Balance - beginning of year	$	2,384			$	523
Additions based on tax positions related to the current year	84				795
Additions for tax positions of prior years	45				1,082
Reductions for tax positions of prior years	(518		)		—
Settlements	—				—
Lapse in statutes of limitations	(94		)		(16		)
Uncertain tax positions, ending balance	$	1,901			$	2,384

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Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

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Tabular disclosure of income before income tax between domestic and foreign jurisdictions.

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Tabular disclosure of the change in unrecognized tax benefits.

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