Other Intangible Assets - Schedule of Other Intangible Assets (Details) - USD ($)	6 Months Ended
	Jun. 30, 2017	Dec. 31, 2016
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	$ 77,380,273	$ 76,176,621
Less accumulated amortization	(47,680,936)	(44,638,881)
Intangible assets, net	29,699,000	31,537,740
Trade names [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	$ 2,510,000	2,510,000
Acquired finite-lived intangible assets, weighted average useful life	13 years 3 months 18 days
Customer lists [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	$ 73,858,097	72,666,512
Acquired finite-lived intangible assets, weighted average useful life	13 years 7 months 6 days
Noncompete agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	$ 955,280	943,213
Acquired finite-lived intangible assets, weighted average useful life	4 years 1 month 6 days
Patents [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	$ 56,896	$ 56,896
Acquired finite-lived intangible assets, weighted average useful life	9 years