<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM ITEM 1
FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               JUN-30-1997
<CASH>                                       7,215,911
<SECURITIES>                                 9,993,521
<RECEIVABLES>                                  911,476
<ALLOWANCES>                                   117,566
<INVENTORY>                                          0
<CURRENT-ASSETS>                            18,987,235
<PP&E>                                       4,071,072
<DEPRECIATION>                               1,258,275
<TOTAL-ASSETS>                              21,961,793
<CURRENT-LIABILITIES>                        3,570,669
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                  18,391,124
<TOTAL-LIABILITY-AND-EQUITY>                21,961,793
<SALES>                                      2,711,450
<TOTAL-REVENUES>                             2,711,450
<CGS>                                        1,070,274
<TOTAL-COSTS>                               12,683,230
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                            (9,365,041)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                               (9,365,041)
<EPS-PRIMARY>                                   (1.00)
<EPS-DILUTED>                                   (1.00)