EXHIBIT 11 STATEMENT RE: COMPUTATION OF PER SHARE EARNINGS PER ITEM 601(B)(11) OF REGULATION S-K YEAR ENDED YEAR ENDED DECEMBER 31, 1996 DECEMBER 31, 1997 Common Stock outstanding 10,284,658 12,965,990 Common Stock equivalents for options granted 0 0 Shares used in computing net loss per common share(1) 10,284,658 12,965,990 Net loss $(16,813,994) $ (6,828,712) Net loss per common share-basic and diluted $ (1.63) $ (0.53) (1) Common and common equivalent shares issued from January 1, 1995 through the effective date of the Company's initial public offering on September 25, 1996 have been included in the computation using the treasury stock method as if they were outstanding for all periods prior to June 30, 1996. Diluted net loss per common share is computed using the weighted-average number of shares of common and common equivalent shares outstanding during the periods. Common equivalent shares consist of stock options using the treasury stock method. Common equivalent shares from stock options are excluded from the computation if their effect is antidilutive.