<TABLE> <S> <C>

<ARTICLE> 5
<MULTIPLIER> 1000

<S>                             <C>                     <C>                     <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   6-MOS                   9-MOS                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1997             DEC-31-1997             DEC-31-1997
<PERIOD-END>                               MAR-31-1997             JUN-10-1997             SEP-30-1997             DEC-31-1997
<CASH>                                           29995                   36651                   25054                   22871
<SECURITIES>                                       328                       4                     187                       0
<RECEIVABLES>                                     2515                    1721                    1486                    1753
<ALLOWANCES>                                       (3)                       0                       0                       0
<INVENTORY>                                        165                     124                     125                      76
<CURRENT-ASSETS>                                 36638                   45043                   28605                   27283
<PP&E>                                            3743                    4076                    4326                    4504
<DEPRECIATION>                                  (1993)                    2095                  (2195)                    2356
<TOTAL-ASSETS>                                   42129                   50744                   35071                   34449
<CURRENT-LIABILITIES>                            26557                   29739                   10973                   11565
<BONDS>                                              0                       0                       0                       0
<PREFERRED-MANDATORY>                                0                       0                       0                       0
<PREFERRED>                                          0                       0                       0                       0
<COMMON>                                            68                      68                      67                      68
<OTHER-SE>                                       15333                   20774                   23868                   22488
<TOTAL-LIABILITY-AND-EQUITY>                     42128                   20842                   35071                   34449
<SALES>                                           1982                   13715                   23247                       0
<TOTAL-REVENUES>                                  1982                   13715                   23247                   26541
<CGS>                                             4029                    7759                       0                   18036
<TOTAL-COSTS>                                     4029                    7759                   13041                   18036
<OTHER-EXPENSES>                                  (54)                   (391)                     766                       0
<LOSS-PROVISION>                                     0                       0                       0                       0
<INTEREST-EXPENSE>                                 321                       0                       0                       9
<INCOME-PRETAX>                                 (1993)                    6347                   10973                    8982
<INCOME-TAX>                                       615                    2304                    3939                    3345
<INCOME-CONTINUING>                             (1378)                    4043                    7033                    5637
<DISCONTINUED>                                       0                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0                       0
<CHANGES>                                            0                       0                       0                       0
<NET-INCOME>                                    (1378)                    4043                    7033                    5637
<EPS-PRIMARY>                                   (0.20)                     .60                    1.04                    0.83
<EPS-DILUTED>                                   (0.20)                     .59                    1.02                    0.82


</TABLE>