<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> JUN-30-1999 <CASH> 11,461,321 <SECURITIES> 46,294,389 <RECEIVABLES> 490,684 <ALLOWANCES> 0 <INVENTORY> 1,842,953 <CURRENT-ASSETS> 60,322,621 <PP&E> 4,856,694 <DEPRECIATION> 1,881,718 <TOTAL-ASSETS> 63,708,165 <CURRENT-LIABILITIES> 6,165,050 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 141,324 <OTHER-SE> 57,401,791 <TOTAL-LIABILITY-AND-EQUITY> 63,708,165 <SALES> 637,826 <TOTAL-REVENUES> 637,826 <CGS> 676,908 <TOTAL-COSTS> 16,490,824 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 1,029,624 <INCOME-PRETAX> (15,500,282) <INCOME-TAX> 0 <INCOME-CONTINUING> (15,500,282) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (15,500,282) <EPS-BASIC> (1.22) <EPS-DILUTED> (1.22)