Fixed Assets

12 Months Ended

Dec. 31, 2019

Property, Plant and Equipment [Abstract]

Fixed Assets

Fixed Assets

Fixed assets consist of the following:

	Estimated Useful Life (Years)	December 31,
		2019			2018
Computer and laboratory equipment	3	$	905,966		$	857,889
Furniture and equipment	3	241,413			241,413
Production equipment	7	216,000			327,000
Leasehold improvements	*	141,485			141,485
		1,504,864			1,567,787
Less – accumulated depreciation		(1,231,416		)	(1,160,448		)
		$	273,448		$	407,339

* Lesser of life of lease or estimated useful life.

Depreciation expense was $124,012 and $169,712 for 2019 and 2018, respectively.