<ARTICLE> 5
<MULTIPLIER> 1,000
       
                                                  
<PERIOD-TYPE>                   YEAR                   YEAR
<FISCAL-YEAR-END>                          MAR-31-1998             MAR-31-1997
<PERIOD-START>                             APR-01-1997             APR-01-1996
<PERIOD-END>                               MAR-31-1998             MAR-31-1997
<CASH>                                           2,479                   4,806
<SECURITIES>                                         0                       0
<RECEIVABLES>                                    3,815                   3,693
<ALLOWANCES>                                       617                     588
<INVENTORY>                                        634                   1,275
<CURRENT-ASSETS>                                 6,776                  10,355
<PP&E>                                           7,003                   5,994
<DEPRECIATION>                                   4,237                   2,840
<TOTAL-ASSETS>                                  12,630                  15,889
<CURRENT-LIABILITIES>                            5,612                   4,092
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                      1,500                       0
<COMMON>                                        15,204                  13,840
<OTHER-SE>                                     (11,286)                 (5,410)
<TOTAL-LIABILITY-AND-EQUITY>                     5,418                   8,430
<SALES>                                         19,811                  15,911
<TOTAL-REVENUES>                                19,811                  15,911
<CGS>                                           10,209                   7,432
<TOTAL-COSTS>                                   14,897                  13,574
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                 651                      96
<INCOME-PRETAX>                                 (5,876)                 (5,191)
<INCOME-TAX>                                         0                       0
<INCOME-CONTINUING>                             (5,876)                 (5,191)
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                    (5,876)                 (5,191)
<EPS-PRIMARY>                                    (0.76)                  (0.69)
<EPS-DILUTED>                                        0                       0