<ARTICLE> 5
<MULTIPLIER> 1,000
       
                                                  
<PERIOD-TYPE>                   3-MOS                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1997
<PERIOD-START>                             JUL-01-1997             JAN-01-1997
<PERIOD-END>                               SEP-30-1997             SEP-30-1997
<CASH>                                          29,220                  29,220
<SECURITIES>                                    13,157                  13,157
<RECEIVABLES>                                    4,865                   4,865
<ALLOWANCES>                                         0                       0
<INVENTORY>                                          0                       0
<CURRENT-ASSETS>                                49,811                  49,811
<PP&E>                                           8,341                   8,341
<DEPRECIATION>                                   2,750                   2,750
<TOTAL-ASSETS>                                  55,545                  55,545
<CURRENT-LIABILITIES>                           23,358                  23,358
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                            87                      87
<OTHER-SE>                                      32,086                  32,086
<TOTAL-LIABILITY-AND-EQUITY>                    32,173                  32,173
<SALES>                                         10,848                  31,313
<TOTAL-REVENUES>                                10,848                  31,313
<CGS>                                            3,424                   9,600
<TOTAL-COSTS>                                   10,610                  29,802
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                   0                       0
<INCOME-PRETAX>                                    813                   3,151
<INCOME-TAX>                                       260                   1,107
<INCOME-CONTINUING>                                553                   2,044
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                       553                   2,044
<EPS-PRIMARY>                                      .06                     .23
<EPS-DILUTED>                                      .06                     .23