<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 12-MOS 12-MOS 12-MOS <FISCAL-YEAR-END> DEC-31-1999 DEC-31-1998 DEC-31-1997 <PERIOD-START> JAN-01-1999 JAN-01-1998 JAN-01-1997 <PERIOD-END> DEC-31-1999 DEC-31-1998 DEC-31-1997 <CASH> 1,950 2,196 805 <SECURITIES> 5,606 12,206 9,887 <RECEIVABLES> 0 0 0 <ALLOWANCES> 0 0 0 <INVENTORY> 0 0 0 <CURRENT-ASSETS> 7,893 14,899 10,917 <PP&E> 5,636 5,396 5,096 <DEPRECIATION> 4,439 3,830 3,232 <TOTAL-ASSETS> 9,170 16,586 12,902 <CURRENT-LIABILITIES> 3,957 3,984 3,667 <BONDS> 0 0 0 <PREFERRED-MANDATORY> 0 0 0 <PREFERRED> 10 10 8 <COMMON> 22 22 22 <OTHER-SE> 56,742 56,465 46,149 <TOTAL-LIABILITY-AND-EQUITY> 5,130 12,177 12,902 <SALES> 0 0 0 <TOTAL-REVENUES> 4,237 3,194 1,652 <CGS> 0 0 0 <TOTAL-COSTS> 11,699 10,101 10,560 <OTHER-EXPENSES> 0 0 0 <LOSS-PROVISION> 0 0 0 <INTEREST-EXPENSE> (398) (328) (290) <INCOME-PRETAX> (7,064) (6,579) (8,618) <INCOME-TAX> 0 0 0 <INCOME-CONTINUING> 0 0 0 <DISCONTINUED> 0 0 0 <EXTRAORDINARY> 0 0 0 <CHANGES> 0 0 0 <NET-INCOME> (7,064) (6,579) (8,618) <EPS-BASIC> $(3.21) $(3.00) $(3.95) <EPS-DILUTED> $(3.21) $(3.00) $(3.95)