Intangible Assets, Net (Other Than Goodwill) (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2019

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of intangible assets

				Acquired and
	Customer			Developed			Intellectual						Patents
	Relationships			Software			Property			Non-Compete			Pending		Total
Useful Lives		10 Years			5 Years			10 Years			10 Years			N/A
Carrying Value at December 31, 2018	$	1,128,734		$	908,893		$	1,191,942		$	2,433		$	78,182	$	3,310,184
Additions														597		597
Amortization		(39,679	)		(57,327	)		(43,432	)		(609	)		—		(141,047	)
Carrying Value at March 31, 2019	$	1,089,055		$	851,566		$	1,148,510		$	1,824		$	78,779	$	3,169,734

				Acquired and
	Customer			Developed			Intellectual						Patents
	Relationships			Software			Property			Non-Compete			Pending		Total
Cost	$	1,587,159		$	959,882		$	1,759,809		$	14,087		$	78,779	$	4,399,716
Accumulated amortization		(498,104	)		(108,316	)		(611,299	)		(12,263	)		—		(1,229,982	)
Carrying Value at March 31, 2019	$	1,089,055		$	851,566		$	1,148,510		$	1,824		$	78,779	$	3,169,734

	Customer Relationships			Acquired and Developed Software			Intellectual Property			Non-Compete			Patents Pending		Total
Useful Lives		10 Years			5 Years			10 Years			10 Years			N/A
Carrying Value at December 31, 2016	$	1,446,166		$	—		$	2,000,858		$	8,067		$	19,200	$	3,474,291
Additions		—			—			—			—			9,246		9,246
Write off of assets		—			—			(212,862	)		—			—		(212,862	)
Amortization		(158,716	)		—			(231,062	)		(2,817	)		—		(392,595	)
Carrying Value at December 31, 2017		1,287,450			—			1,556,934			5,250			28,446		2,878,080
Additions		—			959,882			—			—			49,736		1,009,618
Write off of assets		—			—			(148,627	)		—			—		(148,627	)
Amortization		(158,716	)		(50,989	)		(216,365	)		(2,817	)		—		(428,887	)
Carrying Value at December 31, 2018	$	1,128,734		$	908,893		$	1,191,942		$	2,433		$	78,182	$	3,310,184

	Customer   Relationships			Acquired and Developed Software		Intellectual Property			Non-Compete			Patents Pending		Total
Cost	$	1,587,159		$	—	$	2,146,561		$	14,087		$	28,446	$	3,776,253
Accumulated amortization		(299,709	)		—		(589,627	)		(8,837	)		—		(898,173	)
Carrying Value at December 31, 2017	$	1,287,450		$	—	$	1,556,934		$	5,250		$	28,446	$	2,878,080

	Customer   Relationships			Acquired and Developed Software			Intellectual  Property			Non-Compete			Patents   Pending		Total
Cost	$	1,587,159		$	959,882		$	1,759,809		$	14,087		$	78,182	$	4,399,119
Accumulated amortization		(458,425	)		(50,989	)		(567,867	)		(11,654	)		—		(1,088,935	)
Carrying Value at December 31, 2018	$	1,128,734		$	908,893		$	1,191,942		$	2,433		$	78,182	$	3,310,184

Schedule of future amortization expense of intangible assets

Fiscal Year Ending December 31,
Remainder of 2019	$	423,939
2020		562,554
2021		562,554
2022		469,220
2023		418,232
Thereafter		733,235
	$	3,169,734

2019	$	564,987
2020		562,554
2021		562,554
2022		469,220
2023		418,232
Thereafter		732,637
	$	3,310,184