<ARTICLE>      5
<LEGEND>       THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
               FROM THE ACCOMPANYING CONDENSED CONSOLIDATED FINANCIAL
               STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
               SUCH FINANCIAL STATEMENTS.

<MULTIPLIER> 1,000

                                                     
<PERIOD-TYPE>                        3-MOS                 3-MOS
<FISCAL-YEAR-END>                    MAY-31-2001           MAY-31-2000
<PERIOD-START>                       SEP-01-2000           SEP-01-1999
<PERIOD-END>                         NOV-30-2000           NOV-30-1999
<CASH>                                  10,826                 5,266
<SECURITIES>                             5,343                14,212
<RECEIVABLES>                            8,033                 3,608
<ALLOWANCES>                               145                   108
<INVENTORY>                             10,074                10,345
<CURRENT-ASSETS>                        37,645                36,348
<PP&E>                                  10,098                 9,696
<DEPRECIATION>                           7,729                 7,830
<TOTAL-ASSETS>                          41,896                40,352
<CURRENT-LIABILITIES>                    6,068                 5,167
<BONDS>                                      0                     0
<PREFERRED-MANDATORY>                        0                     0
<PREFERRED>                                  0                     0
<COMMON>                                    70                    68
<OTHER-SE>                              36,206                34,729
<TOTAL-LIABILITY-AND-EQUITY>            41,896                40,352
<SALES>                                  8,986                 6,294
<TOTAL-REVENUES>                         8,986                 6,294
<CGS>                                   5,572                 4,957
<TOTAL-COSTS>                            5,572                 4,957
<OTHER-EXPENSES>                         2,932                 3,178
<LOSS-PROVISION>                           (74)                  325
<INTEREST-EXPENSE>                        (227)                 (261)
<INCOME-PRETAX>                            635                (1,255)
<INCOME-TAX>                               337                  (519)
<INCOME-CONTINUING>                        298                  (736)
<DISCONTINUED>                               0                     0
<EXTRAORDINARY>                              0                     0
<CHANGES>                                    0                     0
<NET-INCOME>                               298                  (736)
<EPS-BASIC>                             0.04                ($0.11)
<EPS-DILUTED>                             0.04                ($0.11)