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Valuation and Qualifying Accounts
12 Months Ended
Dec. 31, 2015
Valuation and Qualifying Accounts [Abstract]  
Valuation and Qualifying Accounts

VICOR CORPORATION

SCHEDULE II

VALUATION AND QUALIFYING ACCOUNTS

Years ended December 31, 2015, 2014 and 2013

 

Description

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

Allowance for doubtful accounts:

          

Year ended:

          

December 31, 2015

   $ 183,000       $ 18,000       $ (30,000   $ 171,000   

December 31, 2014

     198,000         66,000         (81,000     183,000   

December 31, 2013

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

 

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