Consolidated Statements of Operations (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Feb. 29, 2012	Feb. 28, 2011	Feb. 29, 2012	Feb. 28, 2011
Sales	$ 4,875,856	$ 4,206,092	$ 16,872,981	$ 14,253,173
Cost of Sales	3,960,606	3,600,831	13,821,507	13,120,654
Gross Profit	915,250	605,261	3,051,474	1,132,519
General, Selling and Administrative Expenses	554,801	452,809	1,454,146	1,441,590
Operating Income (Loss)	360,449	152,452	1,597,328	(309,071)
Other Income (Expense):
Other Income (Expense)	4,932	(5,050)	(1,909)	2,600
Interest Expense	(201,583)	(248,960)	(680,480)	(641,423)
Total Other Expense, net	(196,651)	(254,010)	(682,389)	(638,823)
Net Income (Loss)	163,798	(101,558)	914,939	(947,894)
Income Attributable to Noncontrolling Interests, net	(50,489)	(36,994)	(96,669)	(78,388)
Preferred Dividends	(79,247)	(80,137)	(160,274)	(243,082)
Net Income (Loss) Available to Common Stockholders	$ 34,062	$ (218,689)	$ 657,996	$ (1,269,364)
Income (Loss) Available to Common Stockholders Per Share of Common Stock - Basic and Diluted	$ 0	$ (0.01)	$ 0.03	$ (0.05)
Weighted Average Shares of Common Stock Outstanding - Basic and Diluted	26,111,201	26,111,201	26,111,201	26,111,201