Note 5 - Acquisition of A Subsidiary (Details)		12 Months Ended
Jan. 22, 2014 USD ($)	May. 31, 2015 CNY (¥)
Taizhou Haitai Motor Vehicle Inspection Co, Ltd.
Effective Ownership		30.50%
Feng Cheng Motor Vehicle Inspection Co., Ltd.
Effective Ownership		30.50%
Shanghai Xin Chang Information Technology Company Limited
Effective Ownership		56.00%
Shanghai Xin Chang Information Technology Company Limited \| Tranch 1
Business Combination, Consideration Transferred	$ 245,655
Shanghai Xin Chang Information Technology Company Limited \| Tranch 2
Business Combination, Consideration Transferred	$ 489,900
Shanghai Yuzhong Financial Information Service Co Ltd
Effective Ownership		49.80%
Shanghai Yuzhong Financial Information Service Co Ltd \| Huitong
Ownership % of VIE		49.80%
Shanghai Yuzhong Financial Information Service Co Ltd \| Mao Hong
Ownership % of VIE		25.10%
Shanghai Yuzhong Financial Information Service Co Ltd \| Wei Gang
Ownership % of VIE		25.10%
Shanghai Yuzhong Financial Information Service Co Ltd \| YuGuang
Ownership % of VIE		80.00%
Shanghai Yuguang Automobile Inspection Technology Co Ltd
Effective Ownership		59.80%
Shanghai Yuguang Automobile Inspection Technology Co Ltd \| Huitong
Ownership % of VIE		20.00%
Shanghai Yuguang Automobile Inspection Technology Co Ltd \| Taizhou Haitai Motor Vehicle Inspection Co, Ltd.
Ownership % of VIE		51.00%
VIE Acquisition cost \| ¥		¥ 652,800
Haitai \| Feng Cheng Motor Vehicle Inspection Co., Ltd.
Ownership % of VIE		51.00%

VIE Acquisition cost

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

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- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

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-Paragraph 5A

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