Note 5 - Acquisition of A Subsidiary: Operating Results of Xin Chang (Details) (USD $)	3 Months Ended	6 Months Ended
Nov. 30, 2014	Nov. 30, 2013	Nov. 30, 2014	Nov. 30, 2013
Revenue	$ 2,384,134us-gaap_Revenues	$ 1,410,803us-gaap_Revenues	$ 4,561,449us-gaap_Revenues	$ 2,905,070us-gaap_Revenues
Other income and gains	49,655us-gaap_OtherIncome	55,160us-gaap_OtherIncome	131,104us-gaap_OtherIncome	97,450us-gaap_OtherIncome
Service costs	1,893,913us-gaap_CostOfServices	415,970us-gaap_CostOfServices	3,591,448us-gaap_CostOfServices	1,232,220us-gaap_CostOfServices
Depreciation expense	131,391us-gaap_Depreciation	120,709us-gaap_Depreciation	257,974us-gaap_Depreciation	239,598us-gaap_Depreciation
Amortization expense	33,235us-gaap_AmortizationOfIntangibleAssets	27,782us-gaap_AmortizationOfIntangibleAssets	73,215us-gaap_AmortizationOfIntangibleAssets	58,210us-gaap_AmortizationOfIntangibleAssets
Administrative and other expenses	301,599us-gaap_GeneralAndAdministrativeExpense	138,755us-gaap_GeneralAndAdministrativeExpense	494,386us-gaap_GeneralAndAdministrativeExpense	293,458us-gaap_GeneralAndAdministrativeExpense
Net loss		(126,736)us-gaap_ProfitLoss	(104,018)us-gaap_ProfitLoss	(153,226)us-gaap_ProfitLoss
Shanghai Xin Chang Information Technology Company Limited
Revenue			904,809
Other income and gains			2,870
Service costs			(835,168)
Personnel cost			(47,373)
Depreciation expense			(9,397)
Amortization expense			(10,888)
Administrative and other expenses			(64,706)
Net loss			$ (59,853)

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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