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	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Treasury Stock
Balance at Mar. 31, 2011	$ 34,480	$ 260	$ 747,962	$ (712,648)	$ (1,094)
Balance (in shares) at Mar. 31, 2011		259,544,911			949,620
Increase (Decrease) in Stockholders' Equity
Purchase of treasury stock	(78)				(78)
Purchase of treasury stock (in shares)					48,200
Vested restricted stock awards (in shares)		699,107
Stock-based compensation	1,558		1,558
Exercise of stock options and employee stock purchases	780	1	779
Exercise of stock options and employee stock purchases (in shares)		785,504
Stock awards to Board of Directors	94		94
Stock awards to Board of Directors (in shares)		77,971
Warrants exercised	17,401	16	17,385
Warrants exercised (in shares)		16,657,820
Issuance of common stock for Calnetix Power Solutions acquisition	23,146	23	23,123
Issuance of common stock for Calnetix Power Solutions acquisition (in shares)		22,550,000
Net loss	(18,764)			(18,764)
Balance at Mar. 31, 2012	58,617	300	790,901	(731,412)	(1,172)
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	21	1	20
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	4,250	5	4,245
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	41,886	306	796,767	(753,975)	(1,212)
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	480	1	479
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	5,954	5	5,949
Warrants exercised (in shares)		4,725,000
Net loss	(16,256)			(16,256)
Balance at Mar. 31, 2014	$ 34,093	$ 312	$ 805,342	$ (770,231)	$ (1,330)
Balance (in shares) at Mar. 31, 2014		311,520,567			1,143,274