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Valuation and Qualifying Accounts
12 Months Ended
Dec. 31, 2013
Valuation And Qualifying Accounts [Abstract]  
Valuation and Qualifying Accounts

VICOR CORPORATION

SCHEDULE II

VALUATION AND QUALIFYING ACCOUNTS

Years ended December 31, 2013, 2012 and 2011

 

Description

   Balance at
Beginning of Period
     (Credit) Charge
to Costs and
Expenses
     Other Charges,
Deductions (1)
    Balance at
End of Period
 

Allowance for doubtful accounts:

          

Year ended:

          

December 31, 2013

   $ 292,000      $ 255,000      $ (349,000   $ 198,000  

December 31, 2012

     266,000        37,000        (11,000     292,000  

December 31, 2011

     309,000        18,000        (61,000     266,000  

 

(1) Reflects uncollectible accounts written off, net of recoveries.