<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONDENSED CONSOLIDATED BALANCE SHEETS AND CONDENSED CONSOLIDATED STATEMENTS OF
OPERATIONS CONTAINED IN THE COMPANY'S QUARTERLY REPORT ON FORM 10-Q FOR THE
QUARTER ENDED MARCH 31, 1999 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH FINANCIALS STATEMENTS AND THE NOTES THERETO.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               MAR-31-1999
<CASH>                                         100,847
<SECURITIES>                                    95,213
<RECEIVABLES>                                    1,354
<ALLOWANCES>                                       162
<INVENTORY>                                      5,405
<CURRENT-ASSETS>                               231,671
<PP&E>                                          38,038
<DEPRECIATION>                                  17,586
<TOTAL-ASSETS>                                 249,352
<CURRENT-LIABILITIES>                           12,666
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            20
<OTHER-SE>                                     114,799
<TOTAL-LIABILITY-AND-EQUITY>                   114,819
<SALES>                                              0
<TOTAL-REVENUES>                                20,511
<CGS>                                                0
<TOTAL-COSTS>                                   11,826
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 905
<INCOME-PRETAX>                                  5,000
<INCOME-TAX>                                       191
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     4,809
<EPS-PRIMARY>                                     0.24
<EPS-DILUTED>                                     0.20