<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-START> JAN-01-2000 <PERIOD-END> MAR-31-2000 <CASH> 12,294 <SECURITIES> 65,599 <RECEIVABLES> 8,560 <ALLOWANCES> 0 <INVENTORY> 5,641 <CURRENT-ASSETS> 73,481 <PP&E> 68,309 <DEPRECIATION> 31,679 <TOTAL-ASSETS> 132,034 <CURRENT-LIABILITIES> 12,450 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 30 <OTHER-SE> 105,565 <TOTAL-LIABILITY-AND-EQUITY> 132,034 <SALES> 0 <TOTAL-REVENUES> 11,724 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 19,042 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> (7,318) <INCOME-TAX> 0 <INCOME-CONTINUING> (7,318) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (7,318) <EPS-BASIC> (0.23) <EPS-DILUTED> (0.23)