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Income Taxes | 9 Months Ended
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Sep. 30, 2016
Income Tax Disclosure [Abstract] |
Income Taxes | Income Taxes Tax provisions for interim periods are calculated using an estimate of actual taxable income or loss for the respective period, rather than estimating the Company's annual effective income tax rate, as the Company is currently unable to reliably estimate its income for the full year. For the three and nine months ended September 30, 2016, the Company had U.S. taxable income of approximately $8,334 and U.S. taxable loss of approximately $9,346, respectively, for which no income tax benefit was recognized. For the three and nine months ended September 30, 2016, the Company recognized $110 and $323 of current foreign income tax benefit, respectively. For the three months ended September 30, 2015, the Company had U.S. taxable loss of approximately $15,865, which resulted in an income tax benefit of $318. For the nine months ended September 30, 2015, the Company had U.S. taxable income of approximately $22,935, which resulted in $459 of current income tax expense due to the corporate alternative minimum tax. For the three and nine months ended September 30, 2015, the Company recognized $27 of current foreign income tax benefit. For the three and nine months ended September 30, 2016, the Company recorded deferred tax benefit of $308 and $2,967, respectively. For the three and nine months ended September 30, 2015, the Company recorded deferred tax benefit of $578 and deferred tax expense of $374, respectively. The Company's net deferred tax assets, excluding certain deferred tax liabilities totaling $18,060, are offset by a valuation allowance due to the Company's history of net losses combined with an inability to confirm recovery of the tax benefits of the Company's losses and other net deferred tax assets. In assessing the realizability of deferred tax assets, management considers whether it is more likely than not that some portion or all of the deferred tax assets will not be realized. The ultimate realization of deferred tax assets is dependent upon the generation of future taxable income during the periods in which those temporary differences become deductible. Management considers the scheduled reversal of deferred tax liabilities, projected future taxable income and tax planning strategies in making this assessment. At September 30, 2016, the Company has loss carryforwards for U.S. federal income tax purposes of approximately $257,700 available to offset future taxable income and federal and state research and development tax credits of approximately $7,060, prior to consideration of annual limitations that may be imposed under Section 382. These carryforwards will begin to expire in 2022. Of these loss carryforwards, approximately $54,400 relates to benefits from stock compensation deductions that will be recorded as a component of paid-in capital when realized. The Company's direct foreign subsidiaries have foreign loss carryforwards of approximately $120,600, most of which do not expire.

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- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32559-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32718-109319 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32639-109319 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32537-109319 + Details
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