Consolidated Condensed Statements of Comprehensive Income (Loss) (Unaudited) (USD $)	3 Months Ended	9 Months Ended
Feb. 28, 2013	Feb. 29, 2012	Feb. 28, 2013	Feb. 29, 2012
COMPREHENSIVE INCOME (LOSS):
Net loss attributable to common stockholders	$ (716,119)	$ (649,454)	$ (2,288,992)	$ (1,714,713)
OTHER COMPREHENSIVE INCOME (LOSS):
Net unrealized gain of available-for-sale investments arising during period	(69,801)	106,720	(5,983)	147,252
Reclassification adjustment for realized (gain) loss included in net income (Loss)	1,118	(513)	(14,057)	(7,255)
Net unrealized gain (loss) attributable to available-for-sale investments recognized in other comprehensive income (loss)	(68,683)	106,207	(20,040)	139,997
COMPREHENSIVE LOSS ATTRIBUTABLE TO COMMON STOCKHOLDERS	$ (784,802)	$ (543,247)	$ (2,309,032)	$ (1,574,716)

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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-Glossary Comprehensive Income

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-Glossary Net Income

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-Glossary Other Comprehensive Income

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+ Details

- Definition

This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses and taxes from ongoing operations before extraordinary items, and noncontrolling interest.

+ References+ Details

- Definition

Gross appreciation or the gross loss in value of the total unsold securities, after tax, attributable to the parent entity.

+ References

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- Definition

Reclassification adjustment for unrealized gains or losses realized upon the sale of securities, after tax.

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- Definition

Appreciation or loss in value (before reclassification adjustment) of the total of unsold securities during the period being reported on, net of tax. Reclassification adjustments include: (1) the unrealized holding gain (loss), net of tax, at the date of the transfer for a debt security from the held-to-maturity category transferred into the available-for-sale category. Also includes the unrealized gain (loss) at the date of transfer for a debt security from the available-for-sale category transferred into the held-to-maturity category; (2) the unrealized gains (losses) realized upon the sale of securities, after tax; and (3) the unrealized gains (losses) realized upon the write-down of securities, after tax.

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