<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the Form
10-Q for the six months ended March 31, 1999 and is qualified in its entirety by
reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          SEP-30-1999
<PERIOD-END>                               MAR-31-1999
<CASH>                                          11,954
<SECURITIES>                                     3,983
<RECEIVABLES>                                    7,806
<ALLOWANCES>                                       101
<INVENTORY>                                         59
<CURRENT-ASSETS>                                25,605
<PP&E>                                          14,492
<DEPRECIATION>                                   7,658
<TOTAL-ASSETS>                                  37,895
<CURRENT-LIABILITIES>                            5,889
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            56
<OTHER-SE>                                      30,000
<TOTAL-LIABILITY-AND-EQUITY>                    37,895
<SALES>                                         13,378
<TOTAL-REVENUES>                                13,378
<CGS>                                            3,879
<TOTAL-COSTS>                                   13,295
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               (415)
<INCOME-PRETAX>                                    498
<INCOME-TAX>                                       162
<INCOME-CONTINUING>                                336
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       336
<EPS-PRIMARY>                                      .06
<EPS-DILUTED>                                      .06