Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of intangible assets

	December 31,
	2018			2017
Core Technology	$	8,567,448		$	8,567,448
Patents and trademarks		946,970			900,063
		9,514,418			9,467,511
Less: accumulated amortization		(9,251,599	)		(9,183,103	)
	$	262,819		$	284,408

Schedule of changes in the carrying amount of intangible assets

Balance as of January 1, 2017	$	309,894
Additions during the period		25,120
Amortization		(50,606	)
Balance as of December 31, 2017		284,408
Additions during the period		46,907
Amortization		(68,496	)
Balance as of December 31, 2018	$	262,819