<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from Company's
for 10-K for the 12 months ended December 31, 1998 filed March 30, 1999 with
Securities and Exchange Commission and is qualified in its entirety by reference
to such 10-K.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               DEC-31-1998
<CASH>                                          27,109
<SECURITIES>                                    15,768
<RECEIVABLES>                                    3,786
<ALLOWANCES>                                      (99)
<INVENTORY>                                          0
<CURRENT-ASSETS>                                50,254
<PP&E>                                          18,124
<DEPRECIATION>                                (14,620)
<TOTAL-ASSETS>                                  60,320
<CURRENT-LIABILITIES>                            5,856
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           107
<OTHER-SE>                                      54,157
<TOTAL-LIABILITY-AND-EQUITY>                    60,320
<SALES>                                              0
<TOTAL-REVENUES>                                29,064
<CGS>                                                0
<TOTAL-COSTS>                                    9,717
<OTHER-EXPENSES>                                 2,674
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 147
<INCOME-PRETAX>                                  5,594
<INCOME-TAX>                                       198
<INCOME-CONTINUING>                              5,396
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     5,396
<EPS-PRIMARY>                                     0.52
<EPS-DILUTED>                                     0.48