Note 5 - Property and Equipment (Tables)

6 Months Ended

Jun. 30, 2013

Property, Plant and Equipment Disclosure [Text Block]

Property, Plant and Equipment [Table Text Block]

	June 30,			December 31,
	2013			2012
	(in thousands)
Furniture, office and laboratory equipment	$	582		$	582
Leasehold improvements		760			760
		1,342			1,342
Less accumulated depreciation		(1,306	)		(1,286	)
	$	36		$	56