Note 4 - Property and Equipment

12 Months Ended

Dec. 31, 2018

Notes to Financial Statements

Property, Plant and Equipment Disclosure [Text Block]

4.

 Property and Equipment

Property and equipment consists of the following:

	December 31,
	2018			2017
Laboratory equipment	$	182,357		$	182,357
Furniture and office equipment		155,113			155,113
Leasehold improvements		430,000			430,000
Total property and equipment		767,470			767,470
Less: accumulated depreciation		(417,189	)		(306,818	)
Property and equipment, net	$	350,281		$	460,652

Depreciation expense was approximately

$0.1

million and

$68,000

for the years ended

December 31, 2018

and

2017,

respectively.