Note 3 - Property and Equipment

12 Months Ended

Dec. 31, 2018

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, 2018

and

2017:

	2018			2017
Laboratory equipment	$	530,306		$	530,306
Leasehold improvements		115,605			115,605
Other furniture, fixtures & equipment		28,685			28,685
Total property and equipment		674,596			674,596
Accumulated depreciation and amortization		(663,246	)		(643,445	)
Property and equipment, net	$	11,350		$	31,151

Depreciation and leasehold amortization expense was

$19,801,

$28,027,

and

$28,780

during the years ended

December 31, 2018,

2017

and

2016,

respectively.