<ARTICLE>                     5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
ACCOMPANYING CONDENSED CONSOLIDATED FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          APR-30-1997
<PERIOD-START>                             MAY-01-1996
<PERIOD-END>                               APR-30-1997
<CASH>                                      18,825,764
<SECURITIES>                                 6,039,255
<RECEIVABLES>                                5,844,987
<ALLOWANCES>                                   909,501
<INVENTORY>                                     18,880
<CURRENT-ASSETS>                            31,976,716
<PP&E>                                       2,692,778
<DEPRECIATION>                               1,675,749
<TOTAL-ASSETS>                              37,089,960
<CURRENT-LIABILITIES>                        8,580,737
<BONDS>                                         24,611
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        72,974
<OTHER-SE>                                  28,095,278
<TOTAL-LIABILITY-AND-EQUITY>                37,089,960
<SALES>                                     10,254,344
<TOTAL-REVENUES>                            18,308,612
<CGS>                                        1,098,434
<TOTAL-COSTS>                                6,966,351
<OTHER-EXPENSES>                            19,923,347
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                             403,989
<INCOME-PRETAX>                             (8,581,086)
<INCOME-TAX>                                  (322,824)
<INCOME-CONTINUING>                         (7,854,273)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                (7,854,273)
<EPS-PRIMARY>                                    (1.26)
<EPS-DILUTED>                                    (1.26)