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Allowance for Doubtful Accounts (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Allowance for Doubtful Accounts Receivable [Roll Forward]    
Balance at the beginning of the year $ 17,200 $ 86,722
Provision for bad debts 6,557 (6,036)
Charge-offs (874) (67,126)
Recoveries 117 3,640
Balance at the end of the year $ 23,000 $ 17,200