<ARTICLE> 5 <RESTATED> <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> MAR-31-1997 <CASH> 4,804 <SECURITIES> 38,267 <RECEIVABLES> 3,251 <ALLOWANCES> (425) <INVENTORY> 0 <CURRENT-ASSETS> 46,443 <PP&E> 11,747 <DEPRECIATION> (3,832) <TOTAL-ASSETS> 57,284 <CURRENT-LIABILITIES> 7,357 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 75,938 <OTHER-SE> (29,773) <TOTAL-LIABILITY-AND-EQUITY> 57,284 <SALES> 6,240 <TOTAL-REVENUES> 6,240 <CGS> 1,297 <TOTAL-COSTS> 9,848 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 0 <INCOME-TAX> 0 <INCOME-CONTINUING> 0 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (4,505) <EPS-PRIMARY> (0.17) <EPS-DILUTED> (0.17)