1 EXHIBIT 11.1 CALCULATION OF PRO FORMA NET LOSS PER SHARE THREE MONTHS ENDED NINE MONTHS ENDED SEPTEMBER 30, SEPTEMBER 30, ------------------------------ ------------------------------ 1997 1996 1997 1996 ------------ ------------ ------------ ------------ Weighted Average Common and Common Equivalent Shares: Series A Preferred Stock -- -- -- 994,677 Series B Preferred Stock -- -- -- 1,614,046 Common Stock 10,175,426 10,008,542 10,121,499 5,720,538 Common Stock Options -- -- -- 457,981 Warrants -- -- -- 2,142 ------------ ------------ ------------ ------------ 10,175,426 $ 10,008,542 $ 10,121,499 $ 8,789,384 ============ ============ ============ ============ Net Loss $ (763,000) $ (246,000) $ (3,052,000) $ (5,085,000) ============ ============ ============ ============ Pro Forma net loss per common and common equivalent share $ (0.07) $ (0.02) $ (0.30) (0.58) ============ ============ ============ ============ 20