<ARTICLE> 5 <LEGEND> THE SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE FORM 10-Q FOR THE SIX MONTHS ENDED MARCH 31, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> SEP-30-2000 <PERIOD-END> MAR-31-2000 <CASH> 15,904 <SECURITIES> 0 <RECEIVABLES> 6,062 <ALLOWANCES> 174 <INVENTORY> 105 <CURRENT-ASSETS> 23,569 <PP&E> 15,261 <DEPRECIATION> 9,576 <TOTAL-ASSETS> 35,087 <CURRENT-LIABILITIES> 6,397 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 56 <OTHER-SE> 26,492 <TOTAL-LIABILITY-AND-EQUITY> 35,087 <SALES> 13,423 <TOTAL-REVENUES> 13,423 <CGS> 4,082 <TOTAL-COSTS> 13,275 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> (606) <INCOME-PRETAX> 754 <INCOME-TAX> 239 <INCOME-CONTINUING> 515 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 515 <EPS-BASIC> .11 <EPS-DILUTED> .11