EXHIBIT 11.1 COMPUTATION OF PER SHARE EARNINGS FOR THE THREE MONTHS ENDED FOR THE NINE MONTHS ENDED SEPTEMBER 30, SEPTEMBER 30, -------------------------- ------------------------- 1999 1998 1999 1998 ----------- ------------ ----------- ----------- Weighted average common stock ............... 8,224,014 7,916,148 8,114,794 7,896,767 Weighted average common stock equivalents ... 180,506 264,020 196,941 301,374 ---------- ---------- ---------- ---------- Weighted average common stock and equivalents ............................... 8,404,520 8,180,168 8,311,735 8,198,141 ========== ========== ========== ========== Net income .................................. $ 142,668 $ 885,489 $4,417,167 $4,729,202 ========== ========== ========== ========== Net income per share - Basic ................ $ 0.02 $ 0.11 $ 0.55 $ 0.60 ========== ========== ========== ========== Net income per share - Diluted .............. $ 0.02 $ 0.11 $ 0.53 $ 0.58 ========== ========== ========== ==========