<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from SEC Form 10Q
and is qualified in its entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          SEP-30-1997
<PERIOD-START>                             OCT-01-1996
<PERIOD-END>                               MAR-31-1997
<CASH>                                           7,493
<SECURITIES>                                    14,814
<RECEIVABLES>                                    7,499
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                                     0
<PP&E>                                           9,150
<DEPRECIATION>                                   7,655
<TOTAL-ASSETS>                                  38,080
<CURRENT-LIABILITIES>                           11,523
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        11,780
<OTHER-SE>                                      14,777
<TOTAL-LIABILITY-AND-EQUITY>                    38,080
<SALES>                                         20,140
<TOTAL-REVENUES>                                20,140
<CGS>                                           13,700
<TOTAL-COSTS>                                   13,700
<OTHER-EXPENSES>                                 6,455
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                    677
<INCOME-TAX>                                       217
<INCOME-CONTINUING>                                460
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       460
<EPS-PRIMARY>                                      .14
<EPS-DILUTED>                                      .14