<ARTICLE> 5 <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-01-1998 <PERIOD-END> DEC-31-1998 <CASH> 32,689 <SECURITIES> 0 <RECEIVABLES> 13,283 <ALLOWANCES> 325 <INVENTORY> 4,055 <CURRENT-ASSETS> 52,020 <PP&E> 7,398 <DEPRECIATION> 5,283 <TOTAL-ASSETS> 54,405 <CURRENT-LIABILITIES> 8,582 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 9 <OTHER-SE> 45,814 <TOTAL-LIABILITY-AND-EQUITY> 54,405 <SALES> 47,798 <TOTAL-REVENUES> 47,798 <CGS> 17,716 <TOTAL-COSTS> 17,716 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 155 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 11,026 <INCOME-TAX> 4,245 <INCOME-CONTINUING> 6,781 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 6,781 <EPS-PRIMARY> 0.72 <EPS-DILUTED> 0.70