<ARTICLE>                                             5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE COMPANYS
FINANCIAL STATEMENTS FOR THE PERIOD ENDED DECEMBER 31, 1997 AND IS QUALIFIED IN
ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER>      1,000
       
                                     
<PERIOD-TYPE>                           12-MOS
<FISCAL-YEAR-END>                                             DEC-31-1997
<PERIOD-START>                                                JAN-01-1997
<PERIOD-END>                                                  DEC-31-1997
<CASH>                                                              3,484
<SECURITIES>                                                       12,845
<RECEIVABLES>                                                       1,477
<ALLOWANCES>                                                        (140)
<INVENTORY>                                                         2,512
<CURRENT-ASSETS>                                                   20,680
<PP&E>                                                              9,894
<DEPRECIATION>                                                    (4,258)
<TOTAL-ASSETS>                                                     27,017
<CURRENT-LIABILITIES>                                               7,887
<BONDS>                                                             3,819
<COMMON>                                                           71,115
<PREFERRED-MANDATORY>                                                   0
<PREFERRED>                                                             0
<OTHER-SE>                                                       (52,106)
<TOTAL-LIABILITY-AND-EQUITY>                                       19,009
<SALES>                                                             5,687
<TOTAL-REVENUES>                                                    8,941
<CGS>                                                               5,316
<TOTAL-COSTS>                                                      18,207
<OTHER-EXPENSES>                                                      168
<LOSS-PROVISION>                                                        0
<INTEREST-EXPENSE>                                                  (346)
<INCOME-PRETAX>                                                  (14,404)
<INCOME-TAX>                                                            0
<INCOME-CONTINUING>                                              (14,404)
<DISCONTINUED>                                                          0
<EXTRAORDINARY>                                                         0
<CHANGES>                                                               0
<NET-INCOME>                                                     (14,404)
<EPS-PRIMARY>                                                       (.84)
<EPS-DILUTED>                                                       (.84)