v2.4.0.6
Income Taxes (Details Textual) (USD $)
 1 Months Ended 3 Months Ended 6 Months Ended
Mar. 31, 2012
Dec. 31, 2010
Jun. 30, 2012
Jun. 25, 2011
Mar. 31, 2011
Jun. 30, 2012
Jun. 25, 2011
Dec. 31, 2011
Income Taxes (Textual) [Abstract]                
Effective income tax benefit (loss) rate           3.50% (49.30%)  
Income tax expense (benefit)     $ 13,000 $ 54,000   $ 25,000 $ (171,000)  
Refund of federal alternative minimum tax         257,000   257,000  
Estimated state and federal alternative minimum tax       86,000     86,000  
Amount of verdict   44,000,000       18,500,000    
Estimated state and federal alternative minimum tax carryforwards               539,000
Research and development tax credit carryforwards               490,000
Increase In Operating Loss Carry Forwards Due To Settlement Payment 18,500,000              
Company net deferred tax assets     18,420,000     18,420,000    
Minimum future taxable income needed to realize tax carryforwards           47,000,000    
Unrecognized tax liability               322,000
U.S. Federal [Member]
                
Income Taxes (Textual) [Abstract]                
Operating loss carryforwards               9,535,000
Operating loss carryforwards, expiration date           2021    
Foreign [Member]
                
Income Taxes (Textual) [Abstract]                
Operating loss carryforwards               $ 6,626,000
Research [Member]
                
Income Taxes (Textual) [Abstract]                
Operating loss carryforwards, expiration date           2021