<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE INCOME STATEMENT FOR THE TWELVE-MONTH PERIOD ENDED DECEMBER 31, 1999, AND THE BALANCE SHEET AS OF DECEMBER 31, 1999, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> DEC-31-1999 <CASH> 7,507 <SECURITIES> 15,117 <RECEIVABLES> 14,213 <ALLOWANCES> 257 <INVENTORY> 13,176 <CURRENT-ASSETS> 55,871 <PP&E> 25,362 <DEPRECIATION> 14,625 <TOTAL-ASSETS> 74,424 <CURRENT-LIABILITIES> 9,436 <BONDS> 213 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 76 <OTHER-SE> 61,744 <TOTAL-LIABILITY-AND-EQUITY> 74,424 <SALES> 46,965 <TOTAL-REVENUES> 56,070 <CGS> 16,686 <TOTAL-COSTS> 21,196 <OTHER-EXPENSES> 27,500 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 45 <INCOME-PRETAX> 8,208 <INCOME-TAX> 2,627 <INCOME-CONTINUING> 5,581 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 5,581 <EPS-BASIC> 0.74 <EPS-DILUTED> 0.70