[ARTICLE] 5

                             
[PERIOD-TYPE]                   3-MOS
[FISCAL-YEAR-END]                          MAR-31-2000
[PERIOD-END]                               JUN-30-1999
[CASH]                                         $   323
[SECURITIES]                                     3,412
[RECEIVABLES]                                    4,914
[ALLOWANCES]                                     (207)
[INVENTORY]                                      8,668
[CURRENT-ASSETS]                               $17,889<F1>
[PP&E]                                          27,119
[DEPRECIATION]                                (16,237)
[TOTAL-ASSETS]                                 $32,684<F2>
[CURRENT-LIABILITIES]                          $ 6,054
[BONDS]                                              0
[PREFERRED-MANDATORY]                                0
[PREFERRED]                                          0
[COMMON]                                        53,398
[OTHER-SE]                                    (35,048)
[TOTAL-LIABILITY-AND-EQUITY]                   $32,684
[SALES]                                        $ 8,517
[TOTAL-REVENUES]                                 8,517
[CGS]                                            6,209
[TOTAL-COSTS]                                    6,209
[OTHER-EXPENSES]                                 3,023<F3>
[LOSS-PROVISION]                                     0
[INTEREST-EXPENSE]                                 230
[INCOME-PRETAX]                                  (945)
[INCOME-TAX]                                         0
[INCOME-CONTINUING]                                  0
[DISCONTINUED]                                       0
[EXTRAORDINARY]                                      0
[CHANGES]                                            0
[NET-INCOME]                                  $  (945)
[EPS-BASIC]                                    $  0.09
[EPS-DILUTED]                                  $  0.09
<FN>
<F1>Includes - Other assets $779K.
<F2>Includes Restricted cash $3,122K; Other long term assets $791K.
<F3>Includes - Research and development $959K; Selling, marketing,
           and administrative $2,117K; Interest income ($56K);
           Other expense $3k.
</FN>