Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY

v2.4.0.8
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