<ARTICLE> 5
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             MAR-31-2000
<PERIOD-END>                               JUN-30-2000
<CASH>                                          14,127
<SECURITIES>                                    29,335
<RECEIVABLES>                                    3,594
<ALLOWANCES>                                      (63)
<INVENTORY>                                      3,395
<CURRENT-ASSETS>                                46,032
<PP&E>                                          36,894
<DEPRECIATION>                                (21,775)
<TOTAL-ASSETS>                                  66,696
<CURRENT-LIABILITIES>                           17,579
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            32
<OTHER-SE>                                      44,288
<TOTAL-LIABILITY-AND-EQUITY>                    66,696
<SALES>                                          7,085
<TOTAL-REVENUES>                                 6,747
<CGS>                                            2,864
<TOTAL-COSTS>                                    6,355
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                    989
<INCOME-TAX>                                      (99)
<INCOME-CONTINUING>                                890
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       890
<EPS-BASIC>                                     0.03
<EPS-DILUTED>                                     0.03

<F1>For Purposes of this Exhibit, Primary Means Basic