EXHIBIT - 11.1 COMPUTATION OF EARNINGS PER SHARE DATA The following formulas were used to calculate the earnings per share data shown in the Consolidated Statements of Operations for the years ended December 31, 1997 and 1996, included in this report. Calculation ------------- Year Ended December 31 1997 - ---- Basic net income per Net income = $5,259,000 = $ 0.88 common share ------------------------------ ------------- Weighted average shares of 5,993,967 common stock outstanding during the period Diluted net income per Net income = $5,259,000 = $ 0.88 common share ------------------------------ ------------- Weighted average shares of 6,008,934 common stock outstanding plus the dilutive effect of stock options 1996 - ---- Basic net income (loss) Net income (loss) = $(2,938,000) = $(0.49) per common share ------------------------------ -------------- Weighted average shares of 6,024,445 common stock outstanding during the period Diluted net income (loss) Net income (loss) = $(2,938,000) = $(0.49) per common share ------------------------------ -------------- Weighted average shares of 6,024,445 common stock outstanding plus the dilutive effect of options