Note 4 - Property and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

	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