Patents (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of capitalized patent costs included in other assets

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

	2019			2018
Patent costs	$	477,149		$	533,496
Less accumulated amortization		(102,227	)		(84,429	)
	$	374,922		$	449,067