1 EXHIBIT 11.1 COMPUTATION OF NET LOSS PER SHARE 1997 1996 1995 ------------- ------------- ------------- (IN THOUSANDS, EXCEPT PER SHARE DATA) Basic: Net loss attributable to common shares....... $(8,263) $(8,796) $(3,011) ========== ========== ========== Weighted average common shares outstanding... 18,651 15,429 7,782 ========== ========== ========== Per share amount............................. $ (0.44) $ (0.57) $ (0.39) ========== ========== ========== Diluted: Net loss..................................... $(8,263) $(8,796) $(3,011) Net effect of convertible debentures based on the if-converted method, assuming 100% conversion: $35,000,000, 6.75%, due 2006................. 2,363 1,457 -- $50,000,000, 7.0%, due 2004.................. 2,178 -- -- $125,000,000, 5.25%, due 2002................ 219 -- -- ---------- ---------- ---------- Net loss attributable to common shares........... $(3,504) $(7,339) $(3,011) ========== ========== ========== Weighted average common shares outstanding....... 18,651 15,429 7,782 Net effect of convertible debentures based on the if-converted method, assuming 100% conversion: $35,000,000, 6.75%, due 2006................. 1,561 949 -- $50,000,000, 7.0%, due 2004.................. 1,515 -- -- $125,000,000, 5.25%, due 2002................ 143 -- -- Net effect of dilutive stock options based on the treasury stock method, using average market price......................... 380 314 176 ---------- ---------- ---------- Totals........................................... 22,250 16,692 7,958 ========== ========== ========== Per share amount................................. $ (0.16) $ (0.44) $ (0.38) ========== ========== ========== 48