Note 4 - Property and Equipment, Net

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment Disclosure [Text Block]

4. Property and Equipment, net

Property and equipment, net consists of the following (in thousands):

	As of December 31,
	2014			2013
Computer equipment and software	$	135		$	96
Furniture, fixtures, and other		84			84
Laboratory equipment		248			236
		467			416
Accumulated Depreciation		(384	)		(354	)
Property and equipment, net	$	83		$	62

Depreciation expense for the years ended December 31, 2014, 2013 and 2012 was $30,000, $27,000 and $57,000, respectively. During 2013, the Company sold fully depreciated fixed assets with an original cost basis of $0.2 million and a net book value of $0, recognizing a gain on sale of $0.1 million. The Company did not sell or dispose of any fixed assets during the years ended December 31, 2014 or 2012.