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Note 3 - Property and Equipment

12 Months Ended

Dec. 31, 2017

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, 2017

and

2016:

		201 7				201 6
Laboratory equipment		$	530,306			$	525,956
Leasehold improvements			115,605				115,605
Other furniture, fixtures & equipment			28,685				28,685
Total property and equipment			674,596				670,246
Accumulated depreciation and amortization			(643,445	)			(615,418	)
Property and equipment, net		$	31,151			$	54,828

Depreciation and

leasehold amortization expense was

$28,027,

$28,780,

and

$28,935

during the years ended

December 31, 2017,

2016

and

2015,

respectively.

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- References

No definition available.

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- 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-URI http://asc.fasb.org/topic&trid=2155823

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