<ARTICLE> 5 <RESTATED> <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-START> JAN-01-2000 <PERIOD-END> MAR-31-2000 <CASH> 1,663 <SECURITIES> 3,880 <RECEIVABLES> 278 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 5,821 <PP&E> 10,131 <DEPRECIATION> 8,364 <TOTAL-ASSETS> 8,950 <CURRENT-LIABILITIES> 3,645 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 9,682 <COMMON> 141,317 <OTHER-SE> (146,150) <TOTAL-LIABILITY-AND-EQUITY> 8,950 <SALES> 0 <TOTAL-REVENUES> 1,982 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 4,886 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> (72) <INCOME-PRETAX> (2,832) <INCOME-TAX> 0 <INCOME-CONTINUING> (2,832) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (2,832) <EPS-BASIC> (0.07) <EPS-DILUTED> (0.07)