Note 3 - Property and Equipment

12 Months Ended

Dec. 31, 2014

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, 2014 and 2013:

	2014			2013
Laboratory equipment	$	510,106		$	474,602
Leasehold improvements		115,605			115,605
Other furniture, fixtures & equipment		28,685			28,685
Total property and equipment		654,396			618,892
Accumulated depreciation and amortization		(557,703	)		(498,665	)
Property and equipment, net	$	96,693		$	120,227

Depreciation and amortization expense was $59,037, $68,862, and $73,720 during the years ended December 31, 2014, 2013 and 2012, respectively.

- Definition

The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.

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