CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $)	6 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 64,706	$ 175,368
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	56,389	55,016
Allowance for bad debts	600	600
Deferred income amortization	(650)	(650)
Deferred income taxes	(6,927)	(8,718)
Gain on sale of equipment		(500)
Effects of changes in operating assets and liabilities:
Trade receivables	(22,966)	(11,557)
Inventories	165,157	102,747
Prepaid expenses	(16,829)	(16,580)
Accounts payable	(16,216)	20,798
Accrued expenses	(6,414)	(5,821)
Income taxes payable	22,952	93,676
Net cash provided by operating activities	239,802	404,379
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from sale of equipment		500
Purchases of property and equipment	(2,613)	(10,786)
Net cash used in investing activities	(2,613)	(10,286)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from line-of-credit	250,000	40,000
Principal payments on line-of-credit	(250,000)	(40,000)
Principal payments on notes payable	(28,576)	(32,288)
Net cash used in financing activities	(28,576)	(32,288)
NET INCREASE IN CASH AND CASH EQUIVALENTS	208,613	361,805
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	18,772	106,508
CASH AND CASH EQUIVALENTS, END OF PERIOD	$ 227,385	$ 468,313