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Intangible Assets
3 Months Ended
Mar. 31, 2012
Intangible Assets [Abstract]  
Intangible Assetsl [Text Block]

(3)       Intangible Assets

Amortization expense for amortizable intangible assets was as follows (amounts in thousands):

   Three Months Ended March 31,
   20122011
 Amortization expense$ 1,300 1,572

Amortization expense for amortizable intangible assets for each of the five succeeding fiscal years is estimated to be (amounts in thousands):

 Years Ending December 31,  
 2012$ 4,777
 2013  3,806
 2014  2,948
 2015  2,101
 2016  769