<TABLE> <S> <C>


<ARTICLE>                     5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S CONSOLIDATED FINANCIAL STATEMENTS FOR THE QUARTERLY PERIOD ENDED
SEPTEMBER 30, 1998, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
CONSOLIDATED FINANCIAL STATEMENTS. 
</LEGEND>
       
<S>                                            <C>                  <C>
<PERIOD-TYPE>                                  9-Mos                9-Mos
<FISCAL-YEAR-END>                              DEC-31-1997          DEC-31-1998
<PERIOD-END>                                   SEP-30-1997          SEP-30-1998
<CASH>                                           2,014,980            7,077,854
<SECURITIES>                                             0                    0
<RECEIVABLES>                                      588,497              578,841
<ALLOWANCES>                                             0                    0
<INVENTORY>                                        346,672              176,548
<CURRENT-ASSETS>                                 3,219,785            8,501,409
<PP&E>                                           2,856,433            3,793,297
<DEPRECIATION>                                     859,819            1,393,016
<TOTAL-ASSETS>                                   9,025,950           15,615,619
<CURRENT-LIABILITIES>                            3,888,903            1,952,668
<BONDS>                                                  0            4,300,581
<PREFERRED-MANDATORY>                                    0                    0
<PREFERRED>                                          8,620                7,260
<COMMON>                                         1,437,493            2,621,000
<OTHER-SE>                                      (1,504,998)           1,620,172
<TOTAL-LIABILITY-AND-EQUITY>                     9,025,950           15,615,619
<SALES>                                          1,534,295            1,058,560
<TOTAL-REVENUES>                                 1,534,295            1,058,560
<CGS>                                              434,287              168,934
<TOTAL-COSTS>                                    6,000,435            9,766,665
<OTHER-EXPENSES>                                 2,245,435              379,161
<LOSS-PROVISION>                                         0                    0
<INTEREST-EXPENSE>                                (103,239)             612,822
<INCOME-PRETAX>                                 (7,042,623)          (9,869,022)
<INCOME-TAX>                                             0                    0
<INCOME-CONTINUING>                             (7,042,623)          (9,869,022)
<DISCONTINUED>                                           0                    0
<EXTRAORDINARY>                                          0                    0
<CHANGES>                                                0                    0
<NET-INCOME>                                    (7,042,623)          (9,869,022)
<EPS-PRIMARY>                                         (.57)                (.51)
<EPS-DILUTED>                                         (.57)                (.51)
        

</TABLE>