Supplemental Financial Information (Tables)

12 Months Ended

Mar. 31, 2013

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Unaudited Quarterly Results of Operations

Unaudited Quarterly Results of Operations

(in thousands, except share and per share amounts) 

	Three Months Ended
	June 30, 2012			September 30, 2012			December 31, 2012			March 31, 2013			Total Fiscal Year, 2013
Revenues:
Grant revenue	$	200		$	—		$	—		$	—		$	200
Total revenues		200			—			—			—			200
Operating expenses:
Research and development		866			1,106			1,120			339			3,431
General and administrative		1,055			576			799			1,132			3,562
Total operating expenses		1,921			1,682			1,919			1,471			6,993
Loss from operations		(1,721	)		(1,682	)		(1,919	)		(1,471	)		(6,793	)
Other expenses, net:
Interest expense, net		(103	)		(274	)		(235	)		(309	)		(921	)
Change in put and note extension option and warrant liabilities		—			—			358			(1,994	)		(1,636	)
Loss on early extinguishment of debt		—			—			(3,537	)		(31	)		(3,568	)
Other income		—			—			-			35			35
Loss before income taxes		(1,824	)		(1,956	)		(5,333	)		(3,770	)		(12,883	)
Income taxes		(2	)		—			(2	)		—			(4	)
Net loss		(1,826	)		(1,956	)		(5,335	)		(3,770	)		(12,887	)
Deemed dividend on Series A Preferred Stock		-						(10,193	)					(10,193	)
Net loss attributable to common stockholders	$	(1,826	)	$	(1,956	)	$	(15,528	)	$	(3,770	)	$	(23,080	)
Basic and diluted net loss per common share	$	(0.11	)	$	(0.11	)	$	(0.85	)	$	(0.19	)	$	(1.27	)
Weighted average shares used in computing basic and diluted net loss per common share		16,842,655			17,094,833			18,292,301			20,236,491			18,108,444

Note:  reflects adjustment to amount of deemed dividend on Series A Preferred Stock in the quarter ended December 31, 2012.

	Three Months Ended
	June 30, 2011			September 30, 2011			December 31, 2011			March 31, 2012			Total Fiscal Year, 2012
Revenues:
Grant revenue	$	555		$	316		$	2		$	469		$	1,342
Total revenues		555			316			2			469			1,342
Operating expenses:
Research and development		1,028			(1,227	)		1,306			1,828			5,389
General and administrative		1,127			894			1,548			1,428			4,997
Total operating expenses		2,155			2,121			2,854			3,256			10,386
Loss from operations		(1,600	)		(1,805	)		(2,852	)		(2,787	)		(9,044	)
Other expenses, net:
Interest expense, net		(731	)		(451	)		(455	)		(256	)		(1,893	)
Change in put and note extension option and warrant liabilities		(78	)		—			—			—			(78	)
Loss on early extinguishment of debt		-			—			(1,193	)		—			(1,193	)
Loss before income taxes		(2,409	)		(2,256	)		(4,500	)		(3,043	)		(12,208	)
Income taxes		(2	)		—			—			—			(2	)
Net loss	$	(2,411	)	$	(2,256	)	$	(4,500	)	$	(3,043	)	$	(12,210	)
Basic and diluted net loss per common share	$	-0.22		$	-0.15		$	-0.28		$	-0.18		$	-0.83
Weighted average shares used in computing basic and diluted net loss per common share		11,105,854			15,241,904			16,035,861			16,542,717			14,736,651