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Income Taxes (Details Textual) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Income Taxes (Additional Textual) [Abstract]        
Valuation allowance for deferred tax assets of US units $ 2,252 $ 12,066 $ 16,604 $ 14,649
Additional foreign interest and penalties 910      
Income Taxes (Textual) [Abstract]        
Pre-tax income 7,385 1,633 (9,528)  
2012 and 2011 Combined pre tax income 9,000      
Net operating losses used to offset tax expenses 9,000      
Fully utilization period of net operating losses 2 years      
Reversal of Deferred tax assets valuation allowance 8,512      
Provision for income taxes (7,067) (968) 418  
Utilization of foreign tax credits 1,302 0    
U.S. deferred tax valuation allowance 9,814 704 (2,892)  
Carry forward year of losses 20 years      
Net operating losses balances     2,035  
Increase in deferred tax assets, prior to the effects on the valuation allowance 2,926      
U.S. federal statutory rate 34.00%      
Foreign tax credit carryforward 2,252 3,554    
Deferred taxes on undistributed earnings 0      
Distribution to US Parent company 48,000      
Distribution pertained to earnings and profits earned 9,000      
Impact of tax in earnings and profits 3,079      
Unrecognized tax benefits 873      
Removed penalties of closed tax years     15  
Net reduction in foreign interest and penalties   43    
Foreign Tax Authority [Member]
        
Income Taxes (Additional Textual) [Abstract]        
Additional foreign interest and penalties     30  
Increase decrease in interest and penalties 443      
Income Taxes (Textual) [Abstract]        
Increase in deferred tax assets, prior to the effects on the valuation allowance   (1,219) (937)  
Domestic Tax Authority [Member]
        
Income Taxes (Additional Textual) [Abstract]        
Valuation allowance for deferred tax assets of US units 2,252   16,604  
Increase decrease in interest and penalties 245      
Income Taxes (Textual) [Abstract]        
Increase in deferred tax assets, prior to the effects on the valuation allowance $ (12,740) $ (704) $ 2,892