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Allowance for Doubtful Accounts
12 Months Ended
Dec. 31, 2015
Allowance for Doubtful Accounts [Abstract]  
Allowance for Doubtful Accounts
Allowance for Doubtful Accounts
 
The activity in the allowance for doubtful accounts was as follows during the years ended December 31, 2015 and 2014:
 
 
2015
 
2014
Balance at the beginning of the year
$
86,722

 
$
62,845

Provision for bad debts
(6,036
)
 
34,000

Charge-offs
(67,126
)
 
(10,123
)
Recoveries
3,640

 

Balance at the end of the year
$
17,200

 
$
86,722