[ARTICLE] 5

                                        
[PERIOD-TYPE]                              QTR-3
[FISCAL-YEAR-END]                          MAR-31-2000
[PERIOD-END]                               DEC-31-1999
[CASH]                                       $   2,495
[SECURITIES]                                     3,409
[RECEIVABLES]                                    6,786
[ALLOWANCES]                                      (212)
[INVENTORY]                                      9,452
[CURRENT-ASSETS]                             $  23,143<F1>
[PP&E]                                          27,877
[DEPRECIATION]                                 (17,627)
[TOTAL-ASSETS]                               $  35,440<F2>
[CURRENT-LIABILITIES]                        $   7,623
[BONDS]                                              0
[COMMON]                                        54,259
[PREFERRED-MANDATORY]                                0
[PREFERRED]                                          0
[OTHER-SE]                                     (34,767)
[TOTAL-LIABILITY-AND-EQUITY]                 $  35,440
[SALES]                                      $  11,664
[TOTAL-REVENUES]                                11,664
[CGS]                                            7,867
[TOTAL-COSTS]                                    7,867
[OTHER-EXPENSES]                                 3,095<F3>
[LOSS-PROVISION]                                     0
[INTEREST-EXPENSE]                              $  222
[INCOME-PRETAX]                                    480
[INCOME-TAX]                                         0
[INCOME-CONTINUING]                                  0
[DISCONTINUED]                                       0
[EXTRAORDINARY]                                      0
[CHANGES]                                            0
[NET-INCOME]                                       480
[EPS-BASIC]                                     0.04
[EPS-DILUTED]                                     0.04
<FN>
<F1>Includes - Other accounts receivable - $606K; prepaid expense - $607K.
<F2>Includes - Restricted cash - $1,192K; Deposits and other assets - $570k;
               Debt issuance cost - $285K.
<F3>Includes - Research and development - $762K; Selling, marketing,
               and administrative - $2,463K; Interest Income ($54k);
               other income ($76k).
</FN>