<TABLE> <S> <C>


<ARTICLE> 5
<RESTATED>

<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   3-MOS                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1997             DEC-31-1997
<PERIOD-START>                             JAN-01-1997             APR-01-1997             JUL-01-1997
<PERIOD-END>                               MAR-31-1997             JUN-30-1997             SEP-30-1997
<CASH>                                       1,939,298               1,475,098               1,024,474
<SECURITIES>                                         0                       0                       0
<RECEIVABLES>                                  344,448                 154,590                 240,924
<ALLOWANCES>                                         0                       0                       0
<INVENTORY>                                          0                       0                       0
<CURRENT-ASSETS>                             2,497,926               1,815,497               1,526,112
<PP&E>                                         544,684                 549,059                 549,059
<DEPRECIATION>                                 361,658                 377,439                 393,460
<TOTAL-ASSETS>                               2,817,539               2,129,189               1,829,326
<CURRENT-LIABILITIES>                          252,337                 122,535                 177,858
<BONDS>                                              0                       0                       0
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                        73,285                  73,285                  73,823
<OTHER-SE>                                  12,237,617              12,289,704              12,289,704
<TOTAL-LIABILITY-AND-EQUITY>                 2,817,539               2,129,189               1,829,326
<SALES>                                              0                       0                       0
<TOTAL-REVENUES>                               331,611                 143,781                 199,139
<CGS>                                                0                       0                       0
<TOTAL-COSTS>                                  833,843                 677,465                 583,232
<OTHER-EXPENSES>                                     0                       0                       0
<LOSS-PROVISION>                                     0                       0                       0
<INTEREST-EXPENSE>                              13,266                  10,664                  10,781
<INCOME-PRETAX>                                      0                       0                       0
<INCOME-TAX>                                         0                       0                       0
<INCOME-CONTINUING>                                  0                       0                       0
<DISCONTINUED>                                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                 (488,910)               (499,819)               (358,468)
<EPS-PRIMARY>                                   (0.17)                  (0.17)                  (0.12)
<EPS-DILUTED>                                   (0.17)                  (0.17)                  (0.12)



</TABLE>