<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> SEP-30-1997 <CASH> 2,468 <SECURITIES> 28,106 <RECEIVABLES> 4,798 <ALLOWANCES> (550) <INVENTORY> 0 <CURRENT-ASSETS> 35,377 <PP&E> 17,836 <DEPRECIATION> (6,340) <TOTAL-ASSETS> 49,069 <CURRENT-LIABILITIES> 13,193 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 72,968 <OTHER-SE> 0 <TOTAL-LIABILITY-AND-EQUITY> 49,069 <SALES> 22,090 <TOTAL-REVENUES> 22,090 <CGS> 4,242 <TOTAL-COSTS> 4,242 <OTHER-EXPENSES> 39,464 <LOSS-PROVISION> 550 <INTEREST-EXPENSE> 436 <INCOME-PRETAX> 0 <INCOME-TAX> 0 <INCOME-CONTINUING> 0 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (20,633) <EPS-PRIMARY> (0.78) <EPS-DILUTED> (0.78)