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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2014
Income Tax Disclosure [Abstract] |
Schedule of Income Tax Benefit (Provisions) from Continuing Operations | Income tax benefit (provisions) from continuing operations consisted of the following:
|  | Years Ended December 31, |
|  | 2014 |  |  | 2013 |  |  | 2012 |
|  | (In thousands) |
Income (loss) from continuing operations before benefit (provision) for income taxes |  | $ | 6,319 |  |  | $ | 3,672 |  |  | $ | (6,558) |
Benefit (provision) for income taxes |  |  | (2,196 | ) |  |  | 36,483 |  |  |  | (792 | )
Effective tax rate |  |  | 34.8 | % |  |  | (993.5 | )% |  |  | (12.1 | )%
Details of Pre-Tax Book Income (Loss) from Continuing Operations | The Company reported pre-tax book income (loss) from continuing operations of:
|  | Years Ended December 31, |
|  | 2014 |  |  | 2013 |  |  | 2012 |
|  | (In thousands) |
Domestic |  | $ | 5,867 |  |  | $ | 3,349 |  |  | $ | (2,175 | )
Foreign |  |  | 452 |  |  |  | 323 |  |  |  | (4,383 | )
Total |  | $ | 6,319 |  |  | $ | 3,672 |  |  | $ | (6,558) |
Summary of Benefit (Provision) for Income Taxes from Continuing Operations | The benefit (provision) for income taxes from continuing operations consisted of the following:
|  | Years Ended December 31, |
|  | 2014 |  |  | 2013 |  |  | 2012 |
|  | (In thousands) |
Current: |  |  |  |  |  |  |  |  |  |  |  |
United States federal |  | $ | (218 | ) |  | $ | (300 | ) |  | $ | 91 |
Foreign |  |  | (12 | ) |  |  | (12 | ) |  |  | (902 | )
State and local |  |  | (75 | ) |  |  | (55 | ) |  |  | 19 |
Total current |  | $ | (305) |  |  | $ | (367 | ) |  | $ | (792 | )
Deferred: |  |  |  |  |  |  |  |  |  |  |  |
United States federal |  |  | (2,137 | ) |  |  | 36,190 |  |  |  | 0 |
Foreign |  |  | 0 |  |  |  | 660 |  |  |  | 0 |
State and local |  |  | 246 |  |  |  | 0 |  |  |  | 0 |
Total deferred |  |  | (1,891 | ) |  |  | 36,850 |  |  |  | 0 |
|  | $ | (2,196) |  |  | $ | 36,483 |  |  | $ | (792 | )
Details of Significant Components of Net Deferred Tax Assets and Liabilities | Significant components of the net deferred tax assets and liabilities consisted of:
|  | December 31, |
|  | 2014 |  |  | 2013 |
|  | (In thousands) |
Deferred tax assets: |  |  |  |
Net operating loss carryforwards |  | $ | 20,627 |  |  | $ | 23,652 |
State income taxes |  |  | 1 |  |  |  | 1 |
Deferred revenue |  |  | 4,723 |  |  |  | 3,588 |
Research and development and other credits |  |  | 8,898 |  |  |  | 8,201 |
Reserves and accruals recognized in different periods |  |  | 4,803 |  |  |  | 4,994 |
Basis difference in investment |  |  | 968 |  |  |  | 967 |
Capitalized R&D expenses |  |  | 1,576 |  |  |  | 1,535 |
Depreciation and amortization |  |  | 783 |  |  |  | 887 |
Other |  |  | 80 |  |  |  | 120 |
Total deferred tax assets |  |  | 42,459 |  |  |  | 43,945 |
Valuation allowance |  |  | (7,663 | ) |  |  | (7,095 | )
Net deferred tax assets |  | $ | 34,796 |  |  | $ | 36,850 |
Reconciliation between Benefit (Provision) for Income Taxes at Statutory Rate and Effective Tax Rate | For purposes of the reconciliation between the benefit (provision) for income taxes at the statutory rate and the effective tax rate, a national U.S. 35% rate is applied as follows:
|  | 2014 |  |  | 2013 |  |  | 2012 |
Federal statutory tax rate |  |  | 35.0 | % |  |  | 35.0 | % |  |  | 35.0 | %
State taxes, net of federal benefit |  |  | 0.0 | % |  |  | 0.1 | % |  |  | 2.3 | %
Foreign withholding |  |  | 3.5 | % |  |  | 8.2 | % |  |  | (13.0 | )%
Stock compensation expense |  |  | 3.8 | % |  |  | 2.5 | % |  |  | (2.6 | )%
Meals & entertainment |  |  | 0.1 | % |  |  | 0.3 | % |  |  | (0.2 | )%
Foreign rate differential |  |  | (1.1 | )% |  |  | (1.7 | )% |  |  | (2.8 | )%
Prior year true-up items |  |  | (0.2 | )% |  |  | 0.1 | % |  |  | 0.1 | %
Tax reserves |  |  | 0.8 | % |  |  | 1.3 | % |  |  | (0.1 | )%
Benefit of discontinued operations |  |  | 0.0 | % |  |  | 0.0 | % |  |  | 1.5 | %
Credits |  |  | (5.7 | )% |  |  | (11.0 | )% |  |  | 13.0 | %
Other |  |  | (1.4 | )% |  |  | 0.0 | % |  |  | 0.3 | %
Valuation allowance |  |  | 0.0 | % |  |  | (1028.3 | )% |  |  | (45.6 | )%
Effective tax rate |  |  | 34.8 | % |  |  | (993.5 | )% |  |  | (12.1 | )%
Details of Beginning and Ending Amount of Gross Unrecognized Tax Benefits | A reconciliation of the beginning and ending amount of gross unrecognized tax benefits is as follows:
|  | 2014 Unrecognized Tax Benefits |  |  | 2013 Unrecognized Tax Benefits |  |  | 2012 Unrecognized Tax Benefits |
|  | (In thousands) |
Balance at beginning of year |  | $ | 1,634 |  |  | $ | 628 |  |  | $ | 628 |
Gross increases for tax positions of prior years |  |  | 0 |  |  |  | 896 |  |  |  | 0 |
Gross decreases for tax positions of prior years |  |  | (4 | ) |  |  | 0 |  |  |  | 0 |
Gross increases for tax positions of current year |  |  | 114 |  |  |  | 110 |  |  |  | 0 |
Settlements |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Lapse of statute of limitations |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Balance at end of year |  | $ | 1,744 |  |  | $ | 1,634 |  |  | $ | 628 |

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