1 EXHIBIT 11.1 COMPUTATION OF EARNINGS PER COMMON SHARE The following table illustrates the computation of basic and diluted earnings per common share: Three Months Ended Six Months Ended ----------------------- ---------------------- June 30, June 30, June 30, June 30, 1998 1997(1) 1998 1997(1) -------- -------- -------- -------- Numerator: Numerator for basic and diluted earnings per common share -- net earnings $ 2,454 $ 1,100 $ 4,203 $ 2,245 ======= ======= ======= ======= Denominator: Denominator for basic earnings per common share -- weighted average number of common shares outstanding during the period 15,297 12,948 14,825 12,948 Incremental common shares attributable to outstanding stock options 333 -- 217 -- ------- ------- ------- ------- Denominator for diluted earnings per common share 15,630 12,948 $15,042 $12,948 ======= ======= ======= ======= Basic earnings per common share $ 0.16 $ 0.08 $ 0.28 $ 0.17 ======= ======= ======= ======= Diluted earnings per common share $ 0.16 $ 0.08 $ 0.28 $ 0.17 ======= ======= ======= ======= - ---------- (1) Based on pro forma net earnings.