EXHIBIT 11 CALCULATION OF NET INCOME PER COMMON SHARE BASED ON EXERCISE OF DILUTIVE STOCK OPTIONS 1995 1994 1993 1992 1991 ------- ------ ------ ----- ------- Dilutive options outstanding at end of period (000) -0- 625 478 204 -0- Proceeds of dilutive options if exercised (000) $ -0- $3,260 $1,123 $ 335 $ -0- -Shares assumed to have been repurchased from proceeds of options if exercised (assuming average share price) (000) -0- 446 379 189 -0- Increase in shares (000) -0- 179 110 15 -0- Weighted average common shares outstanding (000) 3,848 3,631 3,804 3,803 3,816 ------- ------ ------ ----- ------- Weighted average common shares outstanding for calculation of primary and fully diluted earnings per share (000) 3,848 3,810 3,914 3,818 3,816 ------- ------ ------ ----- ------- Net income (loss) (000) $(2,321) $2,684 $1,745 $ 450 $(6,018) ------- ------ ------ ----- ------- Net income (loss) per common share as set forth in the "Statements of Operations" based on weighted average common shares outstanding during each period $ (.60) $ .70 $ .45 $ .12 $ (1.58) ------- ------ ------ ----- ------- Additional Primary and Fully Diluted Earnings per Share Computations* Primary earnings per common share $ (.60) $ .70 $ .45 $ .12 $ (1.58) ------- ------ ------ ----- ------- Fully diluted earnings per common share $ (.60) $ .70 $ .45 $ .12 $ (1.58) ------- ------ ------ ----- ------- <FN> <F1> * This calculation is submitted in accordance with Securities Exchange Act of 1934 Release No. 9083 although not required by footnote 2 to paragraph 14 of APB No. 15 because it results in dilution of less than 3%. </FN> 18