<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS AS OF AND FOR THE SIX MONTH PERIOD ENDED JUNE 30, 1997 AND
IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               JUN-30-1997
<CASH>                                          30,185
<SECURITIES>                                    75,101
<RECEIVABLES>                                    4,270
<ALLOWANCES>                                        68
<INVENTORY>                                          0
<CURRENT-ASSETS>                               126,663
<PP&E>                                          18,714
<DEPRECIATION>                                  10,044
<TOTAL-ASSETS>                                 141,526
<CURRENT-LIABILITIES>                           76,313
<BONDS>                                              0
<COMMON>                                        12,014
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<OTHER-SE>                                      40,977
<TOTAL-LIABILITY-AND-EQUITY>                   141,526
<SALES>                                              0
<TOTAL-REVENUES>                               147,091
<CGS>                                                0
<TOTAL-COSTS>                                  116,112
<OTHER-EXPENSES>                                31,169
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                  2,469
<INCOME-TAX>                                       939
<INCOME-CONTINUING>                              1,530
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     1,530
<EPS-PRIMARY>                                      .10
<EPS-DILUTED>                                      .10