<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEETS AND CONSOLIDATED STATEMENTS OF OPERATIONS CONTAINED
IN EXHIBIT 13.3 OF THE COMPANY'S ANNUAL REPORT ON FORM 10-K FOR THE YEAR ENDED
DECEMBER 31, 1996 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIALS STATEMENTS AND THE NOTES THERETO.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               DEC-31-1996
<CASH>                                          25,337
<SECURITIES>                                    53,390
<RECEIVABLES>                                    5,316
<ALLOWANCES>                                     1,681
<INVENTORY>                                      4,384
<CURRENT-ASSETS>                                91,615
<PP&E>                                          30,058
<DEPRECIATION>                                   8,605
<TOTAL-ASSETS>                                 113,829
<CURRENT-LIABILITIES>                           13,687
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                     26,586
<COMMON>                                       148,597
<OTHER-SE>                                     (82,569)
<TOTAL-LIABILITY-AND-EQUITY>                   113,829
<SALES>                                          1,505
<TOTAL-REVENUES>                                     0
<CGS>                                            1,384
<TOTAL-COSTS>                                    1,384
<OTHER-EXPENSES>                                26,763
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               2,697
<INCOME-PRETAX>                                 (4,955)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                             (4,955)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    (4,955)
<EPS-PRIMARY>                                    (0.34)
<EPS-DILUTED>                                        0