<ARTICLE> 5
<MULTIPLIER> 1

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               JUN-30-1999
<CASH>                                       4,262,771
<SECURITIES>                                         0
<RECEIVABLES>                                  264,781
<ALLOWANCES>                                         0
<INVENTORY>                                    478,988
<CURRENT-ASSETS>                             6,579,968
<PP&E>                                       7,401,517
<DEPRECIATION>                               3,347,649
<TOTAL-ASSETS>                              10,633,836
<CURRENT-LIABILITIES>                        2,471,844
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       143,034
<OTHER-SE>                                   6,408,366
<TOTAL-LIABILITY-AND-EQUITY>                10,633,836
<SALES>                                              0
<TOTAL-REVENUES>                             1,120,149
<CGS>                                                0
<TOTAL-COSTS>                                3,719,237<F1>
<OTHER-EXPENSES>                                     0<F1>
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                           (122,725)
<INCOME-PRETAX>                            (4,006,425)
<INCOME-TAX>                                     6,017
<INCOME-CONTINUING>                        (4,012,469)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                               (4,012,469)
<EPS-BASIC>                                     (0.29)
<EPS-DILUTED>                                   (0.29)
<FN>
<F1>Total costs includes research and development expenses and cost of revenues.
Because of the nature of the company's operations, management is of the
opinion that it is not meaningful to segregate these costs.
</FN>