<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE BALANCE
SHEET AND STATEMENT OF OPERATIONS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          MAR-31-1996
<PERIOD-START>                             APR-01-1996
<PERIOD-END>                               SEP-30-1996
<CASH>                                           1,914
<SECURITIES>                                    10,597
<RECEIVABLES>                                    1,871
<ALLOWANCES>                                         0
<INVENTORY>                                      1,808
<CURRENT-ASSETS>                                17,112
<PP&E>                                           6,395
<DEPRECIATION>                                 (3,228)
<TOTAL-ASSETS>                                  20,746
<CURRENT-LIABILITIES>                            6,236
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            15
<OTHER-SE>                                      14,404
<TOTAL-LIABILITY-AND-EQUITY>                    20,746
<SALES>                                          3,333
<TOTAL-REVENUES>                                 9,331
<CGS>                                            1,237
<TOTAL-COSTS>                                   12,974
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               (409)
<INCOME-PRETAX>                                (3,234)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                             (3,234)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (3,234)
<EPS-PRIMARY>                                    (.22)
<EPS-DILUTED>                                    (.22)