XML 40 R56.htm IDEA: XBRL DOCUMENT v2.4.0.6
Income Taxes (Details Textual) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Tax Credit Carryforward [Line Items]      
Valuation allowance, deferred tax asset, change in amount $ 440    
Change in valuation allowance 468 338 (4,549)
Valuation allowance, amount 2,136    
Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net 619    
Undistributed earnings of foreign subsidiaries 1,692    
Deferred tax assets, research credit 128    
Deferred Tax Assets, Tax Credit Carryforwards, State And Operating Loss Carryforwards, Foreign
      
Tax Credit Carryforward [Line Items]      
Valuation allowance, amount 1,086    
Deferred Tax Assets, Tax Credit Carryforwards And Operating Loss Carryforwards
      
Tax Credit Carryforward [Line Items]      
Valuation allowance, amount 1,050    
Alternative Minimum Tax
      
Tax Credit Carryforward [Line Items]      
Tax credit carryforward, amount 223    
Federal and State Tax Jurisdictions
      
Tax Credit Carryforward [Line Items]      
Tax credit carryforward, amount 1,870    
Federal
      
Tax Credit Carryforward [Line Items]      
Operating loss carryforwards 521    
Operating Loss Carryforward, Attributable to Additional Paid-In Capital 521    
Federal | Research Tax Credit Carryforward
      
Tax Credit Carryforward [Line Items]      
Tax credit carryforward, amount 3,916    
State Tax Authority
      
Tax Credit Carryforward [Line Items]      
Tax credit carryforward, amount 714    
Change in valuation allowance 267    
State Tax Authority | Research Tax Credit Carryforward
      
Tax Credit Carryforward [Line Items]      
Tax credit carryforward, amount 2,936    
Foreign Tax Authority
      
Tax Credit Carryforward [Line Items]      
Operating loss carryforwards 2,936    
Tax credit carryforward, amount $ 1,146