<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> JUN-30-1999 <PERIOD-END> DEC-31-1998 <CASH> 1,992,783 <SECURITIES> 7,246,781 <RECEIVABLES> 2,391,599 <ALLOWANCES> 0 <INVENTORY> 10,028,071 <CURRENT-ASSETS> 22,347,109 <PP&E> 12,536,655 <DEPRECIATION> (9,377,293) <TOTAL-ASSETS> 25,587,264 <CURRENT-LIABILITIES> 1,767,448 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 504,979 <OTHER-SE> 0 <TOTAL-LIABILITY-AND-EQUITY> 25,587,264 <SALES> 5,658,362 <TOTAL-REVENUES> 5,658,362 <CGS> 4,634,203 <TOTAL-COSTS> 4,634,203 <OTHER-EXPENSES> 938,518 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 378,152 <INCOME-TAX> 128,000 <INCOME-CONTINUING> 250,152 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 250,152 <EPS-PRIMARY> .23 <EPS-DILUTED> .23