<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> JUN-30-1997 <CASH> 165,953 <SECURITIES> 11,695,920 <RECEIVABLES> 0 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 12,212,507 <PP&E> 9,920,018 <DEPRECIATION> (5,431,069) <TOTAL-ASSETS> 17,269,194 <CURRENT-LIABILITIES> 2,765,078 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 73,398,369 <OTHER-SE> 0 <TOTAL-LIABILITY-AND-EQUITY> 17,269,194 <SALES> 0 <TOTAL-REVENUES> 687,753 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 7,755,767 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 181,520 <INCOME-PRETAX> 0 <INCOME-TAX> 0 <INCOME-CONTINUING> (7,249,534) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (7,249,534) <EPS-PRIMARY> (.36) <EPS-DILUTED> (.36)