WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

  

<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 SEPTEMBER 30, 1997 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH FINANCIALS STATEMENTS AND THE NOTES THERETO.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD START>                             JAN-01-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                           7,389
<SECURITIES>                                    41,033
<RECEIVABLES>                                    3,549
<ALLOWANCES>                                         0
<INVENTORY>                                      6,917
<CURRENT-ASSETS>                                67,823
<PP&E>                                          34,787
<DEPRECIATION>                                  11,477
<TOTAL-ASSETS>                                  94,498
<CURRENT-LIABILITIES>                           16,056
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            19
<OTHER-SE>                                      71,160
<TOTAL-LIABILITY-AND-EQUITY>                    71,179
<SALES>                                              0
<TOTAL-REVENUES>                                18,493
<CGS>                                                0
<TOTAL-COSTS>                                   10,475
<OTHER-EXPENSES>                                25,754
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 699
<INCOME-PRETAX>                                      0
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                  (23,679)
<EPS-PRIMARY>                                   (1.27)
<EPS-DILUTED>                                        0