<ARTICLE> 5
<LEGEND>
The schedule contains summary financial information extracted from
the Forms 10-Q for the quarters ended June 30, 1997, March 31, 1997,
and December 31, 1996, and is qualified in its entirety by reference 
to such financial statements. The Financial Data Schedules have been
restated to reflect the Company's adoption of FAS 128, Earnings
Per Share.
</LEGEND>
<MULTIPLIER> 1,000
       
                                                  
<PERIOD-TYPE>                  9-MOS          6-MOS          3-MOS
<FISCAL-YEAR-END>              SEP-30-1997    SEP-30-1997    SEP-30-1997
<PERIOD-END>                   JUN-30-1997    MAR-31-1997    DEC-31-1996
<CASH>                               5,442          5,201          4,036
<SECURITIES>                        11,743          8,708         10,724
<RECEIVABLES>                        8,697         11,732         10,867
<ALLOWANCES>                            81             81            269
<INVENTORY>                            156            133            138
<CURRENT-ASSETS>                    27,405         27,062         26,649
<PP&E>                              11,905         11,318         10,860
<DEPRECIATION>                       5,364          5,068          4,782
<TOTAL-ASSETS>                      37,653         36,794         35,965
<CURRENT-LIABILITIES>                7,136          7,800          7,395
<BONDS>                                  0              0              0
<PREFERRED-MANDATORY>                    0              0              0
<PREFERRED>                              0              0              0
<COMMON>                                55             55             58
<OTHER-SE>                          29,819         28,585         27,988
<TOTAL-LIABILITY-AND-EQUITY>        37,653         36,794         35,965
<SALES>                             25,687         16,985          7,128
<TOTAL-REVENUES>                    25,687         16,985          7,128
<CGS>                                8,959          6,000          2,086
<TOTAL-COSTS>                       22,003         14,783          6,430
<OTHER-EXPENSES>                         0              0              0
<LOSS-PROVISION>                         0              0              0
<INTEREST-EXPENSE>                    (601)          (406)          (202)
<INCOME-PRETAX>                      4,285          2,608            900
<INCOME-TAX>                         1,491            845            359
<INCOME-CONTINUING>                  2,794          1,763            541
<DISCONTINUED>                           0              0              0
<EXTRAORDINARY>                          0              0              0
<CHANGES>                                0              0              0
<NET-INCOME>                         2,794          1,763            541
<EPS-PRIMARY>                          .51            .32            .10
<EPS-DILUTED>                          .50            .32            .10