Note 12 - Quarterly Financial Information (Unaudited)

12 Months Ended

Dec. 31, 2016

Notes to Financial Statements

Quarterly Financial Information [Text Block]

NOTE

12

– QUARTERLY FINANCIAL INFORMATION (UNAUDITED

)

(in thousands, except per share data)
	Quarter Ended
	March 31,			June 30,			September 30,			December 31,
	201 6			201 6			201 6			201 6
Revenues	$	75		$	108		$	120		$	109
Gross profit		75			108			120			109
Operating loss		(2,353	)		(2,606	)		(1,930	)		(2,321	)
Net loss		(8,794	)		(5,645	)		(5,175	)		(6,724	)
Basic and diluted net loss per common share	$	(0.49	)	$	(0.31	)	$	(0.28	)	$	(0.34	)

	Quarter Ended
	March 31,			June 30,			September 30,			December 31,
	2015			201 5			201 5			201 5
Revenues	$	18		$	38		$	227		$	21
Gross profit (loss)		18			38			(64	)		(22	)
Operating loss		(2,718	)		(3,751	)		(3,651	)		(3,889	)
Net loss		(4,842	)		(5,990	)		(5,965	)		(7,216	)
Basic and diluted net loss per common share	$	(0.27	)		(0.34	)	$	(0.33	)	$	(0.40	)