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]

	Life		December 31,
	(in years)		2014			2013
Medical equipment		5	$	367		$	277
Computer equipment		3		39			32
Furniture and fixtures		7		13			13
				419			322
Less: Accumulated depreciation and amortization				(232	)		(194	)
Property and equipment, net			$	187		$	128