<ARTICLE> 5
<MULTIPLIER> 1,000

                                                  
<PERIOD-TYPE>                   3-MOS                   6-MOS
<FISCAL-YEAR-END>                          APR-30-2000             APR-30-2000
<PERIOD-START>                             AUG-01-1999             MAY-01-1999
<PERIOD-END>                               OCT-31-1999             OCT-31-1999
<CASH>                                          21,905                  21,905
<SECURITIES>                                    21,642                  21,642
<RECEIVABLES>                                   17,238                  17,238
<ALLOWANCES>                                   (1,594)                 (1,594)
<INVENTORY>                                          0                       0
<CURRENT-ASSETS>                                68,476                  68,476
<PP&E>                                          46,538                  46,538
<DEPRECIATION>                                (30,323)                (30,323)
<TOTAL-ASSETS>                                 107,056                 107,056
<CURRENT-LIABILITIES>                           32,430                  32,430
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                         2,431                   2,431
<OTHER-SE>                                      66,055                  66,055
<TOTAL-LIABILITY-AND-EQUITY>                   107,056                 107,056
<SALES>                                              0                       0
<TOTAL-REVENUES>                                28,182                  56,417
<CGS>                                                0                       0
<TOTAL-COSTS>                                   15,078                  30,674
<OTHER-EXPENSES>                                12,584                  24,638
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                (633)                   (952)
<INCOME-PRETAX>                                  1,153                   2,057
<INCOME-TAX>                                      (150)                   (150)
<INCOME-CONTINUING>                                  0                       0
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                     1,003                   1,907
<EPS-BASIC>                                        .05                     .09
<EPS-DILUTED>                                      .05                     .09