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Schedule II-Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2011
Schedule II-Valuation and Qualifying Accounts  
Schedule II-Valuation and Qualifying Accounts
Schedule II—Valuation and Qualifying Accounts (In thousands)
MOSYS, INC. NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


Schedule II—Valuation and Qualifying Accounts
(In thousands)

 
    
   Additions   Deductions    
  
Description
  Balance at
beginning of
period 		  Charged to
costs and
expenses 		  Charged to
other
accounts 		  Amounts
recovered 		  Amounts
written
off 		  Balance at
end of
period 		 

Allowance for doubtful accounts

                                      

Year ended December 31, 2011

   $ 125   $ —   $ —   $ (125 ) $ —   $ —  

Year ended December 31, 2010

   $ 93   $ —   $ 125   $ (15 ) $ (78 ) $ 125  

Year ended December 31, 2009

   $ 75   $ 47   $ 46   $ (75 ) $ —   $ 93