<ARTICLE>                     5
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                              SEP-30-1998
<PERIOD-START>                                 OCT-01-1997
<PERIOD-END>                                   MAR-31-1998
<CASH>                                         4,910,000
<SECURITIES>                                   0
<RECEIVABLES>                                  10,032,000
<ALLOWANCES>                                   (145,000)
<INVENTORY>                                    7,285,000
<CURRENT-ASSETS>                               26,310,000
<PP&E>                                         11,196,000
<DEPRECIATION>                                 (8,333,000)
<TOTAL-ASSETS>                                 30,300,000
<CURRENT-LIABILITIES>                          6,324,000
<BONDS>                                        0
<PREFERRED-MANDATORY>                          0
<PREFERRED>                                    0
<COMMON>                                       53,000
<OTHER-SE>                                     23,923,000
<TOTAL-LIABILITY-AND-EQUITY>                   30,300,000
<SALES>                                        26,818,000
<TOTAL-REVENUES>                               26,818,000
<CGS>                                          13,931,000
<TOTAL-COSTS>                                  15,186,000
<OTHER-EXPENSES>                               5,506,000
<LOSS-PROVISION>                               0
<INTEREST-EXPENSE>                             0
<INCOME-PRETAX>                                (7,805,000)
<INCOME-TAX>                                   (779,000)
<INCOME-CONTINUING>                            (7,026,000)
<DISCONTINUED>                                 0
<EXTRAORDINARY>                                0
<CHANGES>                                      0
<NET-INCOME>                                   (7,026,000)
<EPS-PRIMARY>                                  (1.33)
<EPS-DILUTED>                                  (1.33)