Note 5 - Property and Equipment (Tables)

6 Months Ended

12 Months Ended

Jun. 30, 2015

Dec. 31, 2014

Notes Tables

Property, Plant and Equipment [Table Text Block]

	June 30, 2015			December 31, 2014
Laboratory equipment	$	525,956		$	510,106
Leasehold improvements		115,605			115,605
Other furniture, fixtures & equipment		28,685			28,685
Total property and equipment		670,246			654,396
Accumulated depreciation and amortization		(572,170	)		(557,703	)
Property and equipment, net	$	98,076		$	96,693

	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