Selected Quarterly Information (Unaudited) (Tables)

12 Months Ended

Sep. 30, 2016

Quarterly Financial Information Disclosure [Abstract]

Summarized Data for Each of the Quarters

The following table represents summarized data for each of the quarters in fiscal years 2016 and 2015 (in thousands, except per share amounts):

	2016
	Fourth Quarter			Third Quarter			Second Quarter			First Quarter
Revenue	$	16,314		$	17,678		$	14,931			$	13,137
Gross profit (loss)		(5,467	)		(2,900	)		(4,594	)			(6,402	)
Loss from operations		(14,816	)		(12,015	)		(13,987	)			(14,692	)
Other income (expense), net		2			(617	)		719				73
Net loss		(12,309	)		(11,654	)		(10,965	)			(11,042	)
Basic loss per share	$	(0.94	)	$	(0.89	)	$	(0.84	)		$	(0.85	)
Diluted loss per share	$	(0.94	)	$	(0.89	)	$	(0.84	)		$	(0.85	)

	2015
	Fourth Quarter			Third Quarter			Second Quarter			First Quarter
Revenue	$	16,008		$	19,751		$	27,942			$	21,166
Gross profit (loss)		(9,289	)		(3,306	)		1,416				(21	)
Loss from operations		(21,667	)		(12,451	)		(8,549	)			(9,888	)
Other income (expense), net		1,180			(489	)		584				1,446
Net loss		(13,450	)		(8,564	)		(5,182	)			(5,445	)
Basic loss per share	$	(1.03	)	$	(0.66	)	$	(0.40	)		$	(0.41	)
Diluted loss per share	$	(1.03	)	$	(0.66	)	$	(0.40	)		$	(0.41	)