Note 13 - Quarterly Financial Information (Unaudited)

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Quarterly Financial Information [Text Block]

NOTE

13

– QUARTERLY FINANCIAL INFORMATION (UNAUDITED

)

(in thousands, except per share data)
	Quarter Ended
	March 31,			June 30,			September 30,			December 31,
	201 7			201 7			201 7			201 7
Revenues	$	108		$	108		$	111		$	110
Gross profit		108			108			111			110
Operating loss		(4,113	)		(2,105	)		(2,414	)		(4,008	)
Net loss		(7,227	)		(13,570	)		(5,992	)		(7,075	)
Basic and diluted  net loss per common share	$	(0.33	)	$	(0.60	)	$	(0.26	)	$	(0.31	)

	Quarter Ended
	March 31,			June 30,			September 30,			December 31,
	2016			201 6			201 6			201 6
Revenues	$	75		$	108		$	120		$	109
Gross profit (loss)		75			108			120			109	)
Operating loss		(2,353	)		(2,606	)		(1,930	)		(2,321	)
Net loss		(8,795	)		(5,645	)		(5,175	)		(6,724	)
Basic and diluted  net loss per common share	$	(0.49	)		(0.31	)	$	(0.28	)	$	(0.34	)