Consolidated Statements of Operations (Unaudited) (USD $)	3 Months Ended
	Aug. 31, 2011	Aug. 31, 2010
Sales	$ 5,783,624	$ 4,994,208
Cost of Sales	4,627,974	4,738,456
Gross Profit	1,155,650	255,752
General, Selling and Administrative Expenses	411,987	491,084
Operating Income (Loss)	743,663	(235,332)
Other Income (Expense):
Other Income (Expense)	(2,950)	7,650
Interest Expense	(265,353)	(189,960)
Total Other Expense, net	(268,303)	(182,310)
Net Income (Loss)	475,360	(417,642)
Loss (Income) Attributable to Variable Interest Entities, net	4,375	(20,592)
Preferred Dividends	0	(81,918)
Net Income (Loss) Available to Common Stockholders	$ 479,735	$ (520,152)
Income (Loss) Available to Common Stockholders
Per Share of Common Stock - Basic and Diluted	$ 0.02	$ (0.02)