<TABLE> <S> <C>
<ARTICLE> 5
<MULTIPLIER> 1000
<S> <C> <C>
<PERIOD-TYPE> 3-MOS 6-MOS
<FISCAL-YEAR-END> DEC-31-2000 DEC-31-2000
<PERIOD-START> APR-01-2000 JAN-01-2000
<PERIOD-END> JUN-30-2000 JUN-30-2000
<CASH> 21,055 21,055
<SECURITIES> 15,344 15,344
<RECEIVABLES> 5,312 5,312
<ALLOWANCES> 1,028 1,028
<INVENTORY> 0 0
<CURRENT-ASSETS> 42,319 42,319
<PP&E> 31,243 31,243
<DEPRECIATION> 24,166 24,166
<TOTAL-ASSETS> 53,005 53,005
<CURRENT-LIABILITIES> 7,868 7,868
<BONDS> 0 0
0 0
0 0
<COMMON> 2,306 2,306
<OTHER-SE> 42,831 42,831
<TOTAL-LIABILITY-AND-EQUITY> 53,005 53,005
<SALES> 0 0
<TOTAL-REVENUES> 5,440 10,787
<CGS> 0 0
<TOTAL-COSTS> 2,416 4,763
<OTHER-EXPENSES> 2,201 5,934
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 0 0
<INCOME-PRETAX> (2,183) (5,595)
<INCOME-TAX> 0 0
<INCOME-CONTINUING> (2,183) (5,595)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (2,183) (5,595)
<EPS-BASIC> (0.09) (0.24)
<EPS-DILUTED> (0.09) (0.24)
</TABLE>