<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM 10-Q FOR THE PERIOD ENDED JUNE 30, 1997 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <RESTATED> <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-END> JUN-30-1997 <CASH> 4,761,957 <SECURITIES> 8,393,008 <RECEIVABLES> 2,524,930 <ALLOWANCES> 0 <INVENTORY> 11,045 <CURRENT-ASSETS> 15,858,872 <PP&E> 7,294,804 <DEPRECIATION> 2,345,307 <TOTAL-ASSETS> 25,075,412 <CURRENT-LIABILITIES> 2,663,936 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 7,966 <OTHER-SE> 21,667,825 <TOTAL-LIABILITY-AND-EQUITY> 25,075,412 <SALES> 450,200 <TOTAL-REVENUES> 1,193,919 <CGS> 140,165 <TOTAL-COSTS> 140,165 <OTHER-EXPENSES> 4,265,176 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> (3,086,138) <INCOME-TAX> 0 <INCOME-CONTINUING> (3,086,138) <DISCONTINUED> 150,486 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (2,935,652) <EPS-PRIMARY> (.40) <EPS-DILUTED> (.40)