<ARTICLE> 5
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          JAN-01-1996
<PERIOD-END>                               DEC-31-1996
<CASH>                                           3,786
<SECURITIES>                                    42,867
<RECEIVABLES>                                    2,778
<ALLOWANCES>                                     (350)
<INVENTORY>                                          0
<CURRENT-ASSETS>                                49,452
<PP&E>                                          10,066
<DEPRECIATION>                                 (2,479)
<TOTAL-ASSETS>                                  58,332
<CURRENT-LIABILITIES>                            7,455
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        73,754
<OTHER-SE>                                    (24,769)<F1>
<TOTAL-LIABILITY-AND-EQUITY>                    58,332
<SALES>                                         15,095
<TOTAL-REVENUES>                                15,095
<CGS>                                            3,194
<TOTAL-COSTS>                                    3,194
<OTHER-EXPENSES>                                29,182<F2>
<LOSS-PROVISION>                                   342
<INTEREST-EXPENSE>                                 428
<INCOME-PRETAX>                                      0
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                  (15,938)
<EPS-PRIMARY>                                   (0.73)
<EPS-DILUTED>                                   (0.73)
<FN>
<F1>INCLUDES ACCUMULATED DEFICIT OF $20,771, DEFERRED COMPENSATION OF $3,546 AND
NOTES RECEIVABLE FROM SHAREHOLDERS OF $452.
<F2>OTHER EXPENSES INCLUDE RESEARCH & DEVELOPMENT OF $4,550, SALES & MARKETING OF
$20,455 AND GENERAL & ADMINISTRATIVE EXPENSE OF $4,177.
</FN>