<ARTICLE> 5
<LEGEND>
THIS  SCHEDULE  CONTAINS  SUMMARY  FINANCIAL   INFORMATION  EXTRACTED  FROM  THE
FINANCIAL  STATEMENTS FOR THE QUARTER ENDED OCTOBER 31, 1999 AND IS QUALIFIED IN
ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS
</LEGEND>
<MULTIPLIER> 1
<CURRENCY> U.S DOLLARS
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          APR-30-1999
<PERIOD-START>                             MAY-01-1999
<PERIOD-END>                               OCT-31-1998
<EXCHANGE-RATE>                                      1
<CASH>                                       1,776,733
<SECURITIES>                                    62,100
<RECEIVABLES>                                1,889,262
<ALLOWANCES>                                    29,527
<INVENTORY>                                  1,385,990
<CURRENT-ASSETS>                             5,219,348
<PP&E>                                       6,413,277
<DEPRECIATION>                               2,995,313
<TOTAL-ASSETS>                              12,512,947
<CURRENT-LIABILITIES>                        1,636,686
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                    20,885,495
<OTHER-SE>                                (10,865,745)
<TOTAL-LIABILITY-AND-EQUITY>                12,512,947
<SALES>                                      4,621,388
<TOTAL-REVENUES>                             4,621,388
<CGS>                                        2,307,536
<TOTAL-COSTS>                                4,356,943
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              77,520
<INCOME-PRETAX>                                470,506
<INCOME-TAX>                                    40,900
<INCOME-CONTINUING>                            264,445
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                206,061
<CHANGES>                                            0
<NET-INCOME>                                   429,606
<EPS-PRIMARY>                                      .02
<EPS-DILUTED>                                      .02