Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Income Taxes (Details Textual)

v2.4.0.6
Income Taxes (Details Textual) (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Tax Credit Carryforward, Amount $ 300,000    
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued 175,000 175,000  
Undistributed Earnings of Foreign Subsidiaries 0    
Decrease In Tax Rates 10.00%    
Decrease In Tax Rates Next Twelve Months 12.50%    
Decrease In Tax Rates In Year Two 7.00%    
Decrease In Tax Rates In Year Three 12.00%    
Decrease In Tax Rates In Year Four 6.00%    
Corporate Tax Rate 25.00% 24.00% 25.00%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate 35.00% 35.00% 35.00%
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential (3.40%) 0.00% 0.00%
Privileged Enterprise Benefits Rate 25.00%    
Description Of Foreign Investors When foreign (non Israeli) ownership exceeds 90%, the Approved Enterprise and Privileged Enterprise income is either tax exempt or taxable at a tax rate of 10% for a 10 year period.    
Accrued Tax Exempt Income 55,000,000    
Accrued Corporate Tax 5,500,000    
Reduced Corporate Tax Rate 15.00%    
Maximum Of One Time Payment $ 2,400,000    
Decrease In Tax Rates In Year Thereafter 6.00%    
Special Preferred Enterprise Of Reduced Tax Rates 1 8.00%    
Special Preferred Enterprise Of Reduced Tax Rates 2 5.00%    
Special Preferred Enterprise Benefits Period 10 years    
Germany [Member]
      
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential 27.90%    
Hong Kong [Member]
      
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential 16.50%    
Japan [Member]
      
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential 42.00%    
China [Member]
      
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential 25.00%    
Italy [Member]
      
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential 27.50%