Note 13 - Variable Interest Entities ("VIEs"): Schedule of VIE Consolidated Statements of Income (Details) (USD $)	3 Months Ended
	Aug. 31, 2013	Aug. 31, 2012
Revenue	$ 1,494,879	$ 2,101,395
Other income and gains	42,382	17,582
Service costs	816,305	1,461,609
Administrative and other operating expense	188,140	315,852
Personnel cost	215,830	224,350
Depreciation expense	167,418	161,054
Income tax income/(provision for income taxes)	(4,389)	14,248
Net income	123,529	(87,680)
Variable Interest Entity, Primary Beneficiary, Aggregated Disclosure
Revenue	1,385,146	1,961,932
Other income and gains		(3,071)
Service costs	(815,907)	(1,460,892)
Administrative and other operating expense	(125,306)	(134,617)
Personnel cost	(176,507)	(181,555)
Depreciation expense	(54,520)	(55,049)
Income (Loss) from Continuing Operations before Income Taxes, Domestic	212,906	126,748
Income tax income/(provision for income taxes)	706	(3,303)
Net income	$ 213,612	$ 123,445