Note 4 - Property and Equipment

12 Months Ended

Dec. 31, 2019

Notes to Financial Statements

Property, Plant and Equipment Disclosure [Text Block]

4.

 Property and Equipment

Property and equipment consists of the following:

	December 31,
	2019			2018
Laboratory equipment	$	182,357		$	182,357
Furniture and office equipment		151,442			155,113
Leasehold improvements		430,000			430,000
Total property and equipment		763,799			767,470
Less: accumulated depreciation		(511,433	)		(417,189	)
Property and equipment, net	$	252,366		$	350,281

Depreciation expense was approximately

$0.1

million for both the years ended

December 31, 2019

and

2018,

respectively.