<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS 9-MOS <FISCAL-YEAR-END> DEC-31-1997 DEC-31-1997 <PERIOD-START> JUL-01-1997 JAN-01-1997 <PERIOD-END> SEP-30-1997 SEP-30-1997 <CASH> 29,220 29,220 <SECURITIES> 13,157 13,157 <RECEIVABLES> 4,865 4,865 <ALLOWANCES> 0 0 <INVENTORY> 0 0 <CURRENT-ASSETS> 49,811 49,811 <PP&E> 8,341 8,341 <DEPRECIATION> 2,750 2,750 <TOTAL-ASSETS> 55,545 55,545 <CURRENT-LIABILITIES> 23,358 23,358 <BONDS> 0 0 <PREFERRED-MANDATORY> 0 0 <PREFERRED> 0 0 <COMMON> 87 87 <OTHER-SE> 32,086 32,086 <TOTAL-LIABILITY-AND-EQUITY> 32,173 32,173 <SALES> 10,848 31,313 <TOTAL-REVENUES> 10,848 31,313 <CGS> 3,424 9,600 <TOTAL-COSTS> 10,610 29,802 <OTHER-EXPENSES> 0 0 <LOSS-PROVISION> 0 0 <INTEREST-EXPENSE> 0 0 <INCOME-PRETAX> 813 3,151 <INCOME-TAX> 260 1,107 <INCOME-CONTINUING> 553 2,044 <DISCONTINUED> 0 0 <EXTRAORDINARY> 0 0 <CHANGES> 0 0 <NET-INCOME> 553 2,044 <EPS-PRIMARY> .06 .23 <EPS-DILUTED> .06 .23