<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM RESTATED
FINANCIAL DATA SCHEDULE FOR NOVEMBER 30, 1999
</LEGEND>
<RESTATED>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          NOV-30-1999
<PERIOD-START>                             DEC-01-1998
<PERIOD-END>                               NOV-30-1999
<CASH>                                          13,858
<SECURITIES>                                    18,169
<RECEIVABLES>                                   12,536
<ALLOWANCES>                                     4,160
<INVENTORY>                                      1,610
<CURRENT-ASSETS>                                43,259
<PP&E>                                          22,777
<DEPRECIATION>                                  15,542
<TOTAL-ASSETS>                                  52,659
<CURRENT-LIABILITIES>                           20,408
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           115
<OTHER-SE>                                      32,136
<TOTAL-LIABILITY-AND-EQUITY>                    52,659
<SALES>                                         55,977
<TOTAL-REVENUES>                                64,832
<CGS>                                           24,454
<TOTAL-COSTS>                                   42,395
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                  6,419
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                              6,419
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     6,419
<EPS-BASIC>                                       0.57
<EPS-DILUTED>                                     0.54