Patents

3 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Patents

6.

Patents

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

	March 31, 2019			December 31, 2018
	(Unaudited)
Patent costs	$	530,214		$	533,496
Less accumulated amortization		(89,902	)		(84,429	)
	$	440,312		$	449,067

Amortization expense for the three months ended March 31, 2019 and 2018 are $5,409 and $3,735, respectively. During the three months ended March 31, 2019 the Company impaired $11,417 of patent costs as it was determined that it had no future economic value.