CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Income Statement [Abstract]
NET SALES	$ 1,402,545	$ 1,475,203	$ 2,313,805	$ 2,272,795
COST OF SALES	938,247	986,482	1,596,601	1,570,127
Gross profit on sales	464,298	488,721	717,204	702,668
OPERATING EXPENSES
Selling	161,115	164,742	258,037	257,116
General and administrative	95,111	91,803	233,501	217,105
Loss (gain) on sale of equipment	93	246	93	(22,254)
Total operating expenses	256,319	256,791	491,631	451,967
Income from operations	207,979	231,930	225,573	250,701
OTHER INCOME (EXPENSE)
Miscellaneous income	1,972	397	2,336	762
Interest expense	(555)	(1,296)	(3,141)	(5,030)
Total other income (expense), net	1,417	(899)	(805)	(4,268)
Net income before income taxes	209,396	231,031	224,768	246,433
PROVISION FOR INCOME TAXES	73,564	90,454	77,799	95,305
NET INCOME	$ 135,832	$ 140,577	$ 146,969	$ 151,128
NET INCOME PER SHARE OF COMMON STOCK
- BASIC (in dollars per share)	$ 0.11	$ 0.11	$ 0.09	$ 0.09
- DILUTED (in dollars per share)	$ 0.05	$ 0.05	$ 0.04	$ 0.04