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Income Taxes (Tables)
 12 Months Ended
Dec. 31, 2014
Income Tax Disclosure [Abstract]  
Composition of Loss from Continuing Operations before Income Taxes

Composition of loss from continuing operations before income taxes is as follows:

 

    Year ended
December 31,		  
    2013     2014  
Domestic   $ (19,710 )   $ (8,204 )
Foreign     (1,476 )     (2,091 )
    $ (21,186 )   $ (10,295 )
Components of Income Tax Expense (Benefit)

Income tax expense (benefit) consists of the following:

 

    Year ended
December 31,		  
    2013     2014  
Current:                  
Federal     $ —     $ —  
State and local       2       1  
Foreign       —       120  
      2       121  
Deferred:                  
Federal       —       —  
State and local       —       —  
Foreign       154       43  
      154       43  
Total income tax expense     $ 156     $ 164  
Summary of Reconcilation Between Federal Tax Rate

Effective Income Tax Rates

 

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,		  
    2013     2014  
Statutory Federal rates       34 %     34 %
Increase (decrease) in income tax rate resulting from:                
Tax on foreign activities       3       8  
Other, net (primarily permanent differences)       (2 )     (4 )
Valuation allowance       (36 )     (40 )
Effective income tax rates       (1 )%     (2 )%
Schedule of Deferred Tax Assets and Liabiliites

Analysis of Deferred Tax Assets and (Liabilities)

 

    As of December 31,  
    2013     2014  
Deferred tax assets consist of the following:                
Employee benefits and deferred compensation   $ 1,679     $ 1,714  
Asset impairments     2,693       2,693  
Other temporary differences     262       (186 )
Net operating loss carryforwards     9,713       17,739  
      14,347       21,960  
Valuation allowance     (13,758 )     (21,473 )
Net deferred tax assets   $ 589     $ 487  
Summary of Tax Loss Carryforwards

As of December 31, 2014, the Company had various net operating loss carryforwards expiring as follows:

 

Expiration    Federal*     State     Foreign  
2022-2034   $ 48,255     $ 20,854     $ —  
Unlimited     —       —       508  
Total   $ 48,255     $ 20,854     $ 508  

 

* The utilization of a portion of these net operating loss carryforwards is limited to a total of approximately $73 per year due to limits on utilizing the acquired net operating loss carryforwards under Internal Revenue Service regulations following a change in control.