<ARTICLE> 5 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> APR-30-1998 <PERIOD-START> MAY-01-1997 <PERIOD-END> JAN-31-1998 <CASH> 2,015,437 <SECURITIES> 0 <RECEIVABLES> 1,287,205 <ALLOWANCES> 167,000 <INVENTORY> 2,507,130 <CURRENT-ASSETS> 6,289,943 <PP&E> 1,750,381 <DEPRECIATION> 1,676,349 <TOTAL-ASSETS> 6,482,389 <CURRENT-LIABILITIES> 1,238,730 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 4,399 <OTHER-SE> 0 <TOTAL-LIABILITY-AND-EQUITY> 6,482,389 <SALES> 6,148,447 <TOTAL-REVENUES> 6,172,733 <CGS> 4,253,902 <TOTAL-COSTS> 4,253,902 <OTHER-EXPENSES> 1,468,840 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 145,164 <INCOME-PRETAX> 303,734 <INCOME-TAX> 124,421 <INCOME-CONTINUING> 179,313 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 179,313 <EPS-PRIMARY> .053 <EPS-DILUTED> .053