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

Schedule II-A—Valuation and Qualifying Accounts

Allowance for Doubtful Accounts Receivable (in thousands)

 

Fiscal Year Ended

   Balance at
Beginning of
Period
     Additions Charged to     Deductions     Balance at
End of
Period
 
      Costs and
Expenses
     Other      

December 31, 2015

   $ 166       $ 332       $ —        $ (75   $ 423   

December 31, 2014

   $ 392       $ 75       $ —        $ (301   $ 166   

December 31, 2013

   $ 623       $ —         $ (231   $ —        $ 392