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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2015
Income Tax Disclosure [Abstract] |
Composition of Loss from Continuing Operations before Income Taxes | (a) Composition of loss from continuing operations before income taxes is as follows:
|  | Year ended December 31, |
|  | 2014 |  |  | 2015 |
Domestic |  | $ | (8,204 | ) |  | $ | (9,110 | )
Foreign |  |  | (2,091 | ) |  |  | (308 | )
|  | $ | (10,295 | ) |  | $ | (9,418 | )
Components of Income Tax Expense (Benefit) | Income tax expense (benefit) consists of the following:
|  | Year ended December 31, |
|  | 2014 |  |  | 2015 |
Current: |  |  |  |  |  |  |  |
Federal |  | $ | — |  |  | $ | — |
State and local |  |  | 1 |  |  |  | 1 |
Foreign |  |  | 120 |  |  |  | (49 | )
|  |  | 121 |  |  |  | (48 | )
Deferred: |  |  |  |  |  |  |  |
Federal |  |  | — |  |  |  | — |
State and local |  |  | — |  |  |  | — |
Foreign |  |  | 43 |  |  |  | 259 |
|  |  | 43 |  |  |  | 259 |
Total income tax expense |  | $ | 164 |  |  | $ | 211 |
Summary of Reconcilation Between Federal Tax Rate | Set forth below is reconciliation between the federal tax rate and the Company’s effective income tax rates with respect to continuing operations:
|  | Year ended December 31, |
|  | 2014 |  |  | 2015 |
Statutory Federal rates |  |  | 34 | % |  |  | 34 | %
Increase (decrease) in income tax rate resulting from: |  |  |  |  |  |  |  |
Tax on foreign activities |  |  | 8 |  |  |  | 3 |
Other, net (primarily permanent differences) |  |  | (4 | ) |  |  | (2 | )
Valuation allowance |  |  | (40 | ) |  |  | (37 | )
Effective income tax rates |  |  | (2 | )% |  |  | (2 | )%
Schedule of Deferred Tax Assets and Liabiliites | (c) Analysis of Deferred Tax Assets and (Liabilities)
|  | As of December 31, |
|  | 2014 |  |  | 2015 |
Deferred tax assets (liabilities) consist of the following: |  |  |  |  |  |  |  |
Employee benefits and deferred compensation |  | $ | 1,999 |  |  | $ | 1,754 |
Asset impairments |  |  | 5,868 |  |  |  | 2,693 |
Other temporary differences |  |  | 569 |  |  |  | (614 | )
Net operating loss carryforwards |  |  | 18,172 |  |  |  | 22,842 |
|  |  | 26,608 |  |  |  | 26,675 |
Valuation allowance |  |  | (26,121 | ) |  |  | (26,448 | )
Net deferred tax assets |  | $ | 487 |  |  | $ | 227 |
Summary of Tax Loss Carryforwards | As of December 31, 2015, the Company had various net operating loss carryforwards expiring as follows:
Expiration |  | Federal |  |  | State |  |  | Foreign |
2023-2035 |  | $ | 61,193 |  |  | $ | 20,677 |  |  | $ | — |
Unlimited |  |  | — |  |  |  | — |  |  |  | 2,407 |
Total |  | $ | 61,193 |  |  | $ | 20,677 |  |  | $ | 2,407 |

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