<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONDENSED STATEMENT OF OPERATIONS AND CONDENSED BALANCE SHEET AND IS QUALIFIED
IN ITS ENTIRETY TO SUCH COMPANY'S QUARTERLY REPORT ON FORM 10Q FOR THE QUARTER
ENDED SEPTEMBER 30, 1996.
</LEGEND>
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          MAR-31-1997
<PERIOD-START>                             OCT-01-1996
<PERIOD-END>                               DEC-31-1996
<CASH>                                       2,343,000
<SECURITIES>                                 4,934,000
<RECEIVABLES>                                  970,000
<ALLOWANCES>                                  (55,000)
<INVENTORY>                                  2,498,000
<CURRENT-ASSETS>                            10,826,000
<PP&E>                                       6,612,000
<DEPRECIATION>                             (4,078,000)
<TOTAL-ASSETS>                              13,420,000
<CURRENT-LIABILITIES>                        2,697,000
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                    58,405,000
<OTHER-SE>                                (47,852,000)
<TOTAL-LIABILITY-AND-EQUITY>                13,420,000
<SALES>                                      1,842,000
<TOTAL-REVENUES>                             1,891,000
<CGS>                                        1,860,000
<TOTAL-COSTS>                                1,860,000
<OTHER-EXPENSES>                             1,403,000
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                            (1,260,000)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                        (1,260,000)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                               (1,260,000)
<EPS-PRIMARY>                                   (0.12)
<EPS-DILUTED>                                   (0.12)