Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2018

Intangible Assets [Abstract]

Summary of intangible assets

	Cost		Accumulated Amortization		Net Book Value
June 30, 2018
Licenses	$	462,234	$	401,789	$	60,445
Patents		1,893,185		1,893,185		-
Total	$	2,355,419	$	2,294,974	$	60,445
December 31, 2017
Licenses	$	462,234	$	388,282	$	73,952
Patents		1,893,185		1,893,185		-
Total	$	2,355,419	$	2,281,467	$	73,952

Summary of future annual amortization expense

	Amortization Expense
July 1 thru December 31, 2018	$	20,389
2019	$	40,056