Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of intangible assets

	Cost		Accumulated Amortization		Net Book Value
June 30, 2019
Licenses	$	462,234	$	428,953	$	33,281
Patents		1,893,185		1,893,185		-
Total	$	2,355,419	$	2,322,138	$	33,281
December 31, 2018
Licenses	$	462,234	$	415,371	$	46,863
Patents		1,893,185		1,893,185		-
Total	$	2,355,419	$	2,308,556	$	46,863

Schedule of future annual amortization expense

	Amortization Expense
July 1 through December 31, 2019	$	13,582
2020	$	19,699