Consolidated Statements of Income (USD $)	3 Months Ended		9 Months Ended
	Feb. 28, 2013	Feb. 29, 2012	Feb. 28, 2013	Feb. 29, 2012
Sales	$ 4,517,453	$ 4,875,856	$ 16,705,437	$ 16,872,981
Cost of Sales	3,687,258	3,960,606	13,467,061	13,821,507
Gross Profit	830,195	915,250	3,238,376	3,051,474
General, Selling and Administrative Expenses	472,912	554,801	1,573,995	1,454,146
Operating Income	357,283	360,449	1,664,381	1,597,328
Other Income (Expense):
Other Income (Expense)	0	4,932	6,500	(1,909)
Interest Expense	(200,668)	(201,583)	(620,022)	(680,480)
Total Other Expense, net	(200,668)	(196,651)	(613,522)	(682,389)
Income before income taxes	156,615	163,798	1,050,859	914,939
Benefit from income taxes	17,600	0	226,900	0
Net Income	174,215	163,798	1,277,759	914,939
Income Attributable to Variable Interest Entities, net	(45,688)	(50,489)	(149,898)	(96,669)
Preferred Dividends	(80,137)	(79,247)	(244,863)	(160,274)
Net Income Available to Common Stockholders	$ 48,390	$ 34,062	$ 882,998	$ 657,996
Income Available to Common Stockholders:
Per Share of Common Stock - Basic	$ 0.00	$ 0.00	$ 0.03	$ 0.03
Per Share of Common Stock - Diluted	$ 0.00	$ 0.00	$ 0.03	$ 0.03
Weighted Average Shares of Common Stock Outstanding -
Basic	26,111,201	26,111,201	26,111,201	26,111,201
Diluted	27,554,523	26,111,201	27,366,000	26,111,201