<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-END> JUN-30-2000 <CASH> 13,223 <SECURITIES> 6,415 <RECEIVABLES> 11,607 <ALLOWANCES> 283 <INVENTORY> 11,163 <CURRENT-ASSETS> 43,994 <PP&E> 13,197 <DEPRECIATION> 10,940 <TOTAL-ASSETS> 53,889 <CURRENT-LIABILITIES> 8,023 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 39,433 <OTHER-SE> 2,001 <TOTAL-LIABILITY-AND-EQUITY> 53,889 <SALES> 26,917 <TOTAL-REVENUES> 26,917 <CGS> 12,156 <TOTAL-COSTS> 5,451 <OTHER-EXPENSES> 7,277 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 267 <INCOME-PRETAX> 2,403 <INCOME-TAX> 984 <INCOME-CONTINUING> 1,419 <DISCONTINUED> 571 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 1,990 <EPS-BASIC> 0.34 <EPS-DILUTED> 0.31