Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Financial Instruments - Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation (Details)

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Fair Value of Financial Instruments - Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation (Details) - Fair Value, Input, Level 3 [Member] - USD ($)
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Balance, beginning $ 929,549 $ 1,172,508
Acquisitions 430,000
Change in fair value (11,188) (44,753)
Payments (23,650) (35,549)
Balance - ending $ 894,711 $ 1,522,206