Computation of Per Share Earnings Exhibit 11 (Unaudited) (in thousands, except EPS data) Three Months Ended Six Months Ended June 30, June 30, ---------------------------- ---------------------------- 1995 1996 1995 1996 ------------- ------------- ------------ ------------- Net Income $ 615 $ 861 $ 1,179 $ 1,867 ============ ============ =========== ============ Weighted average common shares outstanding 3,958 4,367 3,620 4,260 Common equivalent shares: Shares issuable upon exercise of stock options (1) 236 330 195 277 Convertible preferred stock 0 696 0 725 ------------ ------------ ----------- ------------ Total weighted average shares - primary 4,194 5,393 3,815 5,262 ------------ ------------ ----------- ------------ Fully diluted incremental shares: Stock options (calculated using the higher of end of periof or average market value) 68 0 86 4 Convertible subordinated debentures 597 485 599 532 ------------ ------------ ----------- ------------ Total weighted average shares - fully diluted 4,859 5,878 4,500 5,798 ------------ ------------ ----------- ------------ Primary net income per common and common equivalent share 0.15 0.16 0.31 0.35 ------------ ------------ ----------- ------------ Fully diluted net income per common and common equivalent share 0.13 0.15 0.26 0.32 ------------ ------------ ----------- ------------ (1) Amount calculated under the treasury stock method and fair market value for stock