Allowance for Doubtful Accounts |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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:
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