<ARTICLE> 5
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               MAR-31-1998
<CASH>                                          20,087
<SECURITIES>                                    37,509
<RECEIVABLES>                                   17,087
<ALLOWANCES>                                       613
<INVENTORY>                                        630
<CURRENT-ASSETS>                                38,310
<PP&E>                                          16,600
<DEPRECIATION>                                   4,578
<TOTAL-ASSETS>                                  88,336
<CURRENT-LIABILITIES>                           17,448
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           156
<OTHER-SE>                                      70,256
<TOTAL-LIABILITY-AND-EQUITY>                    88,336
<SALES>                                              0
<TOTAL-REVENUES>                                16,849
<CGS>                                                0
<TOTAL-COSTS>                                    8,740
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                   397
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                  8,773
<INCOME-TAX>                                     3,397
<INCOME-CONTINUING>                              5,376
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     5,376
<EPS-PRIMARY>                                      .35
<EPS-DILUTED>                                      .34