<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> YEAR 6-MOS <FISCAL-YEAR-END> DEC-31-1997 MAR-31-1998 <PERIOD-START> JAN-01-1997 JAN-01-1998 <PERIOD-END> DEC-31-1997 JUN-30-1998 <CASH> 13,334 20,311 <SECURITIES> 0 0 <RECEIVABLES> 1,444 3,792 <ALLOWANCES> 0 0 <INVENTORY> 4,080 12,000 <CURRENT-ASSETS> 142 5,253 <PP&E> 5,658 8,421 <DEPRECIATION> 2,252 3,389 <TOTAL-ASSETS> 22,575 46,557 <CURRENT-LIABILITIES> 3,323 37,569 <BONDS> 0 0 <PREFERRED-MANDATORY> 0 0 <PREFERRED> 49,282 49,282 <COMMON> 1,968 2,162 <OTHER-SE> (35,104) (50,959) <TOTAL-LIABILITY-AND-EQUITY> 22,575 46,557 <SALES> 0 0 <TOTAL-REVENUES> 1,450 6,501 <CGS> 0 0 <TOTAL-COSTS> 1,728 6,396 <OTHER-EXPENSES> 22,228 14,541 <LOSS-PROVISION> 0 0 <INTEREST-EXPENSE> 449 2,231 <INCOME-PRETAX> (22,104) (16,183) <INCOME-TAX> 0 0 <INCOME-CONTINUING> (22,104) (16,183) <DISCONTINUED> 0 0 <EXTRAORDINARY> 0 0 <CHANGES> 0 0 <NET-INCOME> (22,104) (16,183) <EPS-PRIMARY> (1.54) (1.01) <EPS-DILUTED> (1.54) (1.01)