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(12) Allowance for Doubtful Accounts
 12 Months Ended
Dec. 31, 2016
Receivables [Abstract]  
(12) Allowance for DoubtfulAccounts

(12) Allowance for Doubtful Accounts

 

Activity in the allowance for doubtful account was as follows for fiscal years 2016, 2015, and 2014:

                
    2016    2015    2014 
                
Beginning balance  $10,000   $10,000   $10,000 
                
Provision for bad debt   —      —      —   
                
Charge-offs   —      —      —   
                
Ending balance  $10,000   $10,000   $10,000