EXHIBIT 11.1 COMPUTATION OF NET LOSS PER COMMON SHARE THREE MONTHS ENDED JUNE 30, ------------------------------ 1999 1998 ---- ---- Net loss attributable to common shareholders........................ $(1,799,126) $(4,854,001) =========== =========== Weighted average shares outstanding... 9,594,950 7,704,795 ========= ========= Basic and diluted net loss per common share................................. $(0.19) $(0.63) ====== ====== SIX MONTHS ENDED JUNE 30, ----------------------------- 1999 1998 ---- ---- Net loss attributable to common shareholders........................ $(3,284,112) $(6,390,754) =========== =========== Weighted average shares outstanding... 9,488,232 7,489,646 ========= ========= Basic and diluted net loss per common share................................. $(0.35) $(0.85) ====== ====== COMPUTATION OF WEIGHTED AVERAGE SHARES OUTSTANDING THREE MONTH SIX MONTH PERIOD PERIOD ACTUAL WEIGHTED WEIGHTED ISSUE DATE SHARES AVERAGE AVERAGE ---------- ------ ------- ------- Common Shares, December 31, 1997 ......... 7,225,462 7,225,462 7,225,462 Option Exercise .......................... 01/09/98 31,655 31,655 30,256 Option Exercise........................... 01/13/98 3,876 3,876 3,619 Restricted Stock Award ................... 03/06/98 50,000 50,000 32,320 Exercise of Stock Option ................. 04/09/98 35,966 32,804 16,493 Exercise of Stock Option ................. 05/13/98 1,938 1,044 525 Sale of Shares for Cash................... 06/10/98 1,462,044 337,395 169,629 Exercise of Stock Option ................. 06/11/98 96,506 21,210 10,664 Exercise of Stock Option.................. 06/12/98 6,462 1,349 678 --------- --------- --------- Common Shares, June 30, 1998........... 06/30/98 8,913,909 7,704,795 7,489,646 ========= ========= ========= Common Shares, December 31, 1998 ......... 9,379,209 9,379,209 9,379,209 Option Exercise .......................... 03/26/99 20,144 20,144 10,684 Dilution Shares Issued ................... 04/29/99 286,408 195,135 98,107 Dilution Shares Issued ................... 06/23/99 6,000 462 232 --------- --------- --------- Common Shares, June 30, 1999........... 06/30/99 9,691,761 9,594,950 9,488,232 ========= ========= =========