EXHIBIT 11.1 STATEMENT RE COMPUTATION OF NET LOSS PER SHARE Period From Inception (July 20, 1987) to Year Ended Four Months Ended December 31, 1995 December 31, 1996 April 30, 1996 April 30, 1997 Weighted average common shares outstanding 8,003,587 12,050,450 12,198,398 12,237,801 Common equivalent shares Bulletins Nos. 55, 64, 83 Stock Options Exercise $ 4,504,853 $ 4,219,102 $ 4,221,603 $ 4,169,490 Total Option Shares 5,122,309 4,755,309 4,805,309 4,624,559 Option Shares at Exercise Market Value of $4.00 1,126,213 1,054,776 1,055,401 1,042,373 Equivalent Shares 3,996,096 3,700,533 3,749,908 3,562,186 Shares used in computing net less per share 8,003,587 12,050,450 12,198,398 12,237,801 Shares used in computing pro forma net loss per share 11,999,683 15,750,983 15,948,306 15,819,987 Net loss $-2,579,637 $ -849,783 $ -906,138 $ -247,376 Net loss per share $ -0.32 $ -0.07 $ -0.03 $ -0.02 Pro forma net loss per share $ -0.22 $ -0.05 $ -0.02 $ -0.02