Patents (Tables)

6 Months Ended

Jun. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of capitalized patent costs included in other assets

Included in other noncurrent assets at June 30, 2019 and December 31, 2018 are capitalized patent costs as follows:

	June 30, 2019			December 31, 2018
	(Unaudited)
Patent costs	$	530,214		$	533,496
Less accumulated amortization		(95,311	)		(84,429	)
	$	434,903		$	449,067