<ARTICLE> 5
<MULTIPLIER> 1,000

                                                  
<PERIOD-TYPE>                   3-MOS                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1999             DEC-31-1999
<PERIOD-START>                             OCT-01-1999             JAN-01-1999
<PERIOD-END>                               DEC-31-1999             DEC-31-1999
<CASH>                                           3,442                   3,442
<SECURITIES>                                    14,698                  14,698
<RECEIVABLES>                                   11,860                  11,860
<ALLOWANCES>                                       425                     425
<INVENTORY>                                      9,460                   9,460
<CURRENT-ASSETS>                                41,953                  41,953
<PP&E>                                           6,611                   6,611
<DEPRECIATION>                                   3,613                   3,613
<TOTAL-ASSETS>                                  46,410                  46,410
<CURRENT-LIABILITIES>                            5,932                   5,932
<BONDS>                                          2,288                   2,288
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                        17,277                  17,277
<OTHER-SE>                                      20,878                  20,878
<TOTAL-LIABILITY-AND-EQUITY>                    46,410                  46,410
<SALES>                                         11,712                  32,162
<TOTAL-REVENUES>                                12,875                  36,408
<CGS>                                            5,094                  14,606
<TOTAL-COSTS>                                    6,357                  19,166
<OTHER-EXPENSES>                                 4,093                  13,502
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                  22                      85
<INCOME-PRETAX>                                  2,607                   4,316
<INCOME-TAX>                                       976                   1,682
<INCOME-CONTINUING>                              1,631                   2,634
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                     1,631                   2,634
<EPS-BASIC>                                        .18                     .30
<EPS-DILUTED>                                      .17                     .28