WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

  

<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from Item 1 of
Form 10-Q for the period ended March 31, 1997 and is qualified in its entirety
by reference to such 10-Q.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               MAR-31-1997
<EXCHANGE-RATE>                                      1
<CASH>                                           8,008
<SECURITIES>                                    30,539
<RECEIVABLES>                                    8,678
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                                49,822
<PP&E>                                          37,172
<DEPRECIATION>                                  11,826
<TOTAL-ASSETS>                                  79,609
<CURRENT-LIABILITIES>                           32,871
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            10
<OTHER-SE>                                      46,248
<TOTAL-LIABILITY-AND-EQUITY>                    79,609
<SALES>                                              0
<TOTAL-REVENUES>                                17,859
<CGS>                                                0
<TOTAL-COSTS>                                        0
<OTHER-EXPENSES>                                14,730
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                  1,033
<INCOME-TAX>                                        52
<INCOME-CONTINUING>                                981
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       981
<EPS-PRIMARY>                                      .09
<EPS-DILUTED>                                      .09