<ARTICLE> 5
<RESTATED>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             APR-01-1997
<PERIOD-END>                               JUN-30-1997
<CASH>                                          14,279
<SECURITIES>                                    33,001
<RECEIVABLES>                                   11,654
<ALLOWANCES>                                       415
<INVENTORY>                                        579
<CURRENT-ASSETS>                                30,267
<PP&E>                                          10,943
<DEPRECIATION>                                   3,570
<TOTAL-ASSETS>                                  68,362
<CURRENT-LIABILITIES>                           10,215
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           102
<OTHER-SE>                                      57,764
<TOTAL-LIABILITY-AND-EQUITY>                    68,362
<SALES>                                         13,639
<TOTAL-REVENUES>                                13,639
<CGS>                                                0
<TOTAL-COSTS>                                    7,499
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                   591
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                  6,751
<INCOME-TAX>                                     2,585
<INCOME-CONTINUING>                              6,140
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     4,166
<EPS-PRIMARY>                                      .42<F1>
<EPS-DILUTED>                                      .41
<FN>
<F1>EPS-Primary should be EPS-Basic.
</FN>