Note 14 - Variable Interest Entities ("vies"): Schedule Of Vie Consolidated Statements Of Income Table Textblock (Details) (USD $)	3 Months Ended		9 Months Ended
	Feb. 28, 2014	Feb. 28, 2013	Feb. 28, 2014	Feb. 28, 2013
Revenue	$ 1,460,418	$ 2,123,478	$ 4,365,897	$ 5,736,338
Other income and gains	38,943	55,946	185,245	134,242
Service costs (Not including service costs payable to intra-group companies)	630,545	1,484,462	1,862,821	3,892,206
Administrative and other expenses	207,576	131,844	530,839	591,050
Personnel cost	276,115	226,957	681,413	656,168
Depreciation expense	170,487	162,345	507,402	484,742
Income tax	154,282	77,465	225,875	166,390
Net Income	(27,035)		(27,035)
Variable Interest Entity, Primary Beneficiary, Aggregated Disclosure
Revenue			4,093,086	5,347,191
Other income and gains			34,397	32,949
Service costs (Not including service costs payable to intra-group companies)			(1,852,309)	(3,875,423)
Administrative and other expenses			(290,799)	(280,298)
Personnel cost			(550,068)	(538,180)
Depreciation expense			(165,056)	(164,736)
Other operating expenses			(37,590)	0
Income before provision for income taxes (Not including service costs payable to other intra-group companies)			1,231,661	521,503
Income tax			(17,032)	(28,136)
Net Income			$ 1,214,629	$ 493,367