<TABLE> <S> <C>

<ARTICLE> 5
<RESTATED>
<MULTIPLIER> 1,000

<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-START>                             JAN-01-1997             JAN-01-1997             JAN-01-1997             JAN-01-1997
<PERIOD-END>                               MAR-31-1997             JUN-30-1997             SEP-30-1997             DEC-31-1997
<CASH>                                           4,292                  10,705                  10,102                  15,937
<SECURITIES>                                     7,329                   3,356                   2,614                   2,955
<RECEIVABLES>                                   25,026                  22,748                  27,432                  27,005
<ALLOWANCES>                                         0                       0                       0                       0
<INVENTORY>                                          0                       0                       0                       0
<CURRENT-ASSETS>                                41,963                  41,684                  45,389                  49,072
<PP&E>                                           4,721                   4,980                   5,181                   5,049
<DEPRECIATION>                                       0                       0                       0                       0
<TOTAL-ASSETS>                                  50,091                  50,245                  54,010                  57,876
<CURRENT-LIABILITIES>                           11,067                  11,342                  13,302                  14,258
<BONDS>                                              0                       0                       0                       0
<PREFERRED-MANDATORY>                                0                       0                       0                       0
<PREFERRED>                                          0                       0                       0                       0
<COMMON>                                        32,667                  32,698                  33,044                  33,342
<OTHER-SE>                                       3,850                   3,811                   5,055                   7,331
<TOTAL-LIABILITY-AND-EQUITY>                    50,091                  50,245                  54,010                  57,876
<SALES>                                              0                       0                       0                       0
<TOTAL-REVENUES>                                19,876                  40,969                  64,577                  91,322
<CGS>                                                0                       0                       0                       0
<TOTAL-COSTS>                                   11,939                  22,593                  34,373                  46,836
<OTHER-EXPENSES>                                 7,910                  17,160                  26,485                  36,709
<LOSS-PROVISION>                                     0                       0                       0                       0
<INTEREST-EXPENSE>                                   0                       0                       0                       0
<INCOME-PRETAX>                                     27                   1,216                   3,719                   7,777
<INCOME-TAX>                                        36                     518                   1,516                   3,002
<INCOME-CONTINUING>                                (9)                     698                   2,203                   4,775
<DISCONTINUED>                                       0                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0                       0
<CHANGES>                                            0                       0                       0                       0
<NET-INCOME>                                       (9)                     698                   2,203                   4,775
<EPS-BASIC>                                     (0.00)                    0.03                    0.09                    0.20
<EPS-DILUTED>                                   (0.00)                    0.03                    0.09                    0.19


</TABLE>