Note 3 - Property and Equipment

12 Months Ended

Dec. 31, 2020

Notes to Financial Statements

Property, Plant and Equipment Disclosure [Text Block]

3.

         

Property and Equipment

Property and equipment as shown on the accompanying Consolidated Balance Sheets is composed of the following as of

December 31, 2020

and

2019:

	2020			2019
Laboratory equipment	$	532,100		$	534,577
Leasehold improvements		115,605			115,605
Other furniture, fixtures & equipment		11,736			11,736
Total property and equipment		659,441			661,918
Accumulated depreciation and amortization		(511,700	)		(651,312	)
Property and equipment, net	$	147,741		$	10,606

Depreciation expense was

$19,656

 and

$8,350

during the years ended

December 31, 2020

and

2019,

respectively.