Variable Interest Entities ("vies"): Consolidated Variable Interest Entity Assets and Liabilites (Details) (USD $)	Aug. 31, 2012	May 31, 2012
Variable Interest Entity Cash and cash equivalents	$ 2,197,038	$ 3,466,743
Variable Interest Entity Inventories	22,627	18,385
Variable Interest Entity Accounts Receivable	938,225	633,009
Variable Interest Entity Tax Recoverable	22,754	22,755
Variable Interest Entity Other Receivables and Deposits	289,714	237,490
Variable Interest Entity Goodwill	610,386	610,386
Variable Interest Entity Property, Plant and Equipment, Net	400,547	454,875
Variable Interest Entity, Consolidated, Carrying Amount, Assets	4,481,291	5,443,643
Variable Interest Entity Deferred income	1,072,169	1,441,347
Variable Interest Entity Accounts Payable	1,101,045	694,626
Variable Interest Entity Accrued Expenses And Other Payables	454,989	4,672,465
Variable Interest Entity Tax Payables	59,553	44,424
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities	$ 2,686,756	$ 2,647,643