<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, 1997 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-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               MAR-30-1997
<CASH>                                          17,855
<SECURITIES>                                    52,228
<RECEIVABLES>                                    5,853
<ALLOWANCES>                                         0
<INVENTORY>                                      6,198
<CURRENT-ASSETS>                                85,603
<PP&E>                                          32,813
<DEPRECIATION>                                   9,461
<TOTAL-ASSETS>                                 109,558
<CURRENT-LIABILITIES>                           11,619
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                     19,649
<COMMON>                                       156,261
<OTHER-SE>                                    (84,859)
<TOTAL-LIABILITY-AND-EQUITY>                    91,051
<SALES>                                              0
<TOTAL-REVENUES>                                 6,664
<CGS>                                                0
<TOTAL-COSTS>                                        0
<OTHER-EXPENSES>                                 7,474
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 309
<INCOME-PRETAX>                                      0
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (2,232)
<EPS-PRIMARY>                                   (0.12)
<EPS-DILUTED>                                        0