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Schedule of Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2011
Schedule of Valuation and Qualifying Accounts [Abstract]  
SCHEDULE OF VALUATION AND QUALIFYING ACCOUNTS

SCHEDULE OF VALUATION AND QUALIFYING ACCOUNTS

(amounts in thousands)

 

                                 

Description

   Balance at
Beginning
of Year		     Charges to
Revenue/
Expenses		     Deductions     Balance
at End
of Year		  

Year ended December 31, 2011

                                

Allowance for doubtful accounts and returns

   $ 446     $ 343     $ 342     $ 447  

Valuation allowance for deferred tax assets

     25,206       2,703       —         27,909  

Year ended December 31, 2010

                                

Allowance for doubtful accounts and returns

   $ 395     $ 291     $ 240     $ 446  

Valuation allowance for deferred tax assets

     22,209       2,997       —         25,206  

Year ended December 31, 2009

                                

Allowance for doubtful accounts and returns

   $ 486     $ 73     $ 164     $ 395  

Valuation allowance for deferred tax assets

     18,622       3,587       —         22,209