<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE BALANCE
SHEET AND STATEMENT OF OPERATIONS FOR THE PERIOD ENDED SEPTEMBER 30, 2000 AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.

<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          MAR-31-2001
<PERIOD-START>                             APR-01-2000
<PERIOD-END>                               SEP-30-2000
<CASH>                                           8,965
<SECURITIES>                                    14,535
<RECEIVABLES>                                    6,256
<ALLOWANCES>                                       122
<INVENTORY>                                      5,065
<CURRENT-ASSETS>                                36,033
<PP&E>                                          16,063
<DEPRECIATION>                                   8,194
<TOTAL-ASSETS>                                  46,925
<CURRENT-LIABILITIES>                           14,570
<BONDS>                                              0
<PREFERRED-MANDATORY>                                1
<PREFERRED>                                          0
<COMMON>                                            16
<OTHER-SE>                                    (26,606)
<TOTAL-LIABILITY-AND-EQUITY>                    46,925
<SALES>                                          4,425
<TOTAL-REVENUES>                                14,144
<CGS>                                            1,570
<TOTAL-COSTS>                                   25,799
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                             (2,241)
<INCOME-PRETAX>                                      0
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                  (13,896)
<EPS-BASIC>                                     (0.96)
<EPS-DILUTED>                                   (0.96)

<F1>INCLUDES $1.1 MILLION OF PREFERRED DIVIDENDS EXCLUDED FROM NET LOSS.
<F2>NET OF INTEREST INCOME.