Note 13 - Quarterly Financial Information (Unaudited)

12 Months Ended

Dec. 31, 2013

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Information [Text Block]

NOTE 13 – QUARTERLY FINANCIAL INFORMATION (UNAUDITED)

(in thousands, except per share data)
	Quarter Ended
	March 31, 2013			June 30, 2013			September 30, 2013			December 31, 2013
Revenues	$	4		$	4		$	182		$	111
Gross profit (loss)		4			4			(110	)		(152	)
Operating loss		(3,944	)		(2,871	)		(3,107	)		(4,050	)
Net loss		(7,439	)		(4,461	)		(4,797	)		(5,980	)
Basic and diluted net loss per common share	$	(0.48	)	$	(0.29	)	$	(0.31	)	$	(0.38	)

	Quarter Ended
	March 31, 2012			June 30, 2012			September 30, 2012			December 31, 2012
Revenues	$	31		$	6		$	287		$	381
Gross profit (loss)		31			4			(6	)		(188	)
Operating loss		(2,885	)		(2,986	)		(3,068	)		(4,129	)
Net loss		(4,448	)		(4,584	)		(4,736	)		(5,806	)
Basic and diluted net loss per common share	$	(0.29	)	$	(0.30	)	$	(0.31	)	$	(0.38	)