EXHIBIT 11 - COMPUTATION OF EARNINGS (LOSS) PER COMMON SHARE Column A Column B Column C Weighted Income Average (loss) Per Number of Net Common Shares Income Share Outstanding* (Loss) (B/A) ------------------------------------------- Six months ended: November 30, 1997 5,243,875 67,215 .01 November 30, 1996 4,013,765 (187,678) (.05) Three months ended: November 30, 1997 5,237,612 160,819 .03 November 30, 1996 4,013,765 (149,599) (.04) Six Months Ended Three Months Ended November 30, November 30, 1997 1996 1997 1996 ----------------- ----------------- *Computation of weighted average number of common share outstanding and common equivalent shares: Common shares outstanding at the beginning of the period 5,135,548 4,013,765 5,086,123 4,013,765 Weighted average of common shares issued during the period 1,120 -- 164 -- Weighted average of common shares repurchased for the treasury during the per (44,118) -- -- -- Weighted average of the common equivalent shares attributable to stock options granted, computed under the treasury stock method 151,325 -- 151,325 -- --------- --------- --------- ---------- Weighted average number of common and common equivalent shares 5,243,875 4,013,765 5,237,612 4,013,765 ========= ========= ========= ========= 8