Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Intangible Assets

Schedule of intangible assets

	December 31,		December 31,
	2017		2016
License agreements	$	1,007,566	$	984,342
Patents		459,903		308,212
Less: accumulated amortization		(530,477)		(463,575)
Intangible assets, net	$	936,992	$	828,979