Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Treasury Stock	Total
Balance at Mar. 31, 2012	$ 300	$ 790,901	$ (731,412)	$ (1,172)	$ 58,617us-gaap_StockholdersEquity
Balance (in shares) at Mar. 31, 2012	300,315,313			997,820
Increase (Decrease) in Stockholders' Equity
Purchase of treasury stock				(40)	(40)
Purchase of treasury stock (in shares)				40,883
Vested restricted stock awards (in shares)	469,911
Stock-based compensation		1,500			1,500
Exercise of stock options and employee stock purchases	1	20			21
Exercise of stock options and employee stock purchases (in shares)	22,478
Stock awards to Board of Directors		101			101
Stock awards to Board of Directors (in shares)	103,574
Issuance of common stock upon exercise of put option	5	4,245			4,250
Issuance of common stock upon exercise of put option (in shares)	4,750,000
Net loss			(22,563)		(22,563)
Balance at Mar. 31, 2013	306	796,767	(753,975)	(1,212)	41,886us-gaap_StockholdersEquity
Balance (in shares) at Mar. 31, 2013	305,661,276			1,038,703
Increase (Decrease) in Stockholders' Equity
Purchase of treasury stock				(118)	(118)
Purchase of treasury stock (in shares)				104,571
Vested restricted stock awards (in shares)	407,845
Stock-based compensation		2,031			2,031
Exercise of stock options and employee stock purchases	1	479			480
Exercise of stock options and employee stock purchases (in shares)	357,619
Stock awards to Board of Directors		116			116
Stock awards to Board of Directors (in shares)	368,827
Warrants exercised	5	5,949			5,954
Warrants exercised (in shares)	4,725,000
Net loss			(16,256)		(16,256)
Balance at Mar. 31, 2014	312	805,342	(770,231)	(1,330)	34,093us-gaap_StockholdersEquity
Balance (in shares) at Mar. 31, 2014	311,520,567			1,143,274
Increase (Decrease) in Stockholders' Equity
Purchase of treasury stock				(184)	(184)
Purchase of treasury stock (in shares)				112,604
Vested restricted stock awards (in shares)	582,528
Stock-based compensation		2,119			2,119
Exercise of stock options and employee stock purchases	1	319			320
Exercise of stock options and employee stock purchases (in shares)	342,860
Stock awards to Board of Directors		117			117
Stock awards to Board of Directors (in shares)	364,885
Issuance of common stock, net of issuance costs	19	29,753			29,772
Issuance of common stock, net of issuance costs (in shares)	18,825,000
Net loss			(31,533)		(31,533)
Balance at Mar. 31, 2015	$ 332	$ 837,650	$ (801,764)	$ (1,514)	$ 34,704us-gaap_StockholdersEquity
Balance (in shares) at Mar. 31, 2015	331,635,840			1,255,878