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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

Income Taxes [Abstract]

Components of provision (benefit) for income taxes

Consolidated income before provision for income taxes includes non-U.S. income of approximately $16.3 million, $22.0 million and $14.5 million for the years ended December 31, 2012, 2011 and 2010, respectively. We recorded a current tax provision of $853,000, $2.8 million and $2.3 million for the years ended December 31, 2012, 2011 and 2010, respectively. The components of the provision (benefit) for income taxes are summarized below (in thousands):

	Years Ended December 31,
	2012	2011	2010
Current:
Federal	$     —	$     —	$     —
State	(113)	259	130
Foreign	966	2,536	2,193
Total current	853	2,795	2,323
Deferred:
Federal	—	—	—
State	—	—	—
Total deferred	—	—	—
Total net provision for income taxes	$   853	$2,795	$2,323

Reconciliation of effective income tax rates and U.S. statutory federal income tax rate

A reconciliation of the effective income tax rates and the U.S. statutory federal income tax rate is summarized below:

	Years Ended December 31,
	2012	2011	2010
Statutory federal income tax rate	35.0%	35.0%	35.0%
State income taxes, net of federal tax benefits	(1.0)	0.6	0.4
Change in valuation allowance	23.3	(11.5)	(13.3)
Stock compensation	1.5	0.3	(0.4)
Foreign rate differences	(72.5)	(17.1)	(12.3)
Dividend from PRC investee	30.1	3.2	—
Net loss from privately-held PRC investments	(2.6)	(0.7)	(0.4)
Other	(1.6)	—	1.2
Effective tax rate	12.2%	9.8%	10.2%

Deferred tax assets and liabilities

Deferred tax assets and liabilities are summarized below (in thousands):

	As of December 31,
	2012	2011
Deferred tax assets:
Net operating loss	$    44,155	$    43,583
Accruals and reserves not yet deductible	5,389	4,494
Credits	1,488	1,488
	51,032	49,565
Deferred tax liabilities:
Unrepatriated foreign earnings	—	—
	—	—
Net deferred tax assets	51,032	49,565
Valuation allowance	(51,032)	(49,565)
Net deferred tax assets	$           —	$           —

Reconciliation of beginning and ending amount of the gross unrecognized tax benefits

A reconciliation of the beginning and ending amount of the gross unrecognized tax benefits is as follows (in thousands):

Gross unrecognized tax benefits balance as of December 31, 2011	$16,403
Add:
Additions based on tax positions related to the current year	—
Additions for tax positions of prior years	—
Gross unrecognized tax benefits balance as of December 31, 2012	$16,403

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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 the change in unrecognized tax benefits.

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