5. Stockholders' Equity (Details - Option activity) - Options [Member]	9 Months Ended
Feb. 28, 2019 USD ($) $ / shares shares
Number of Options Outstanding, Beginning \| shares	2,600,000
Number of Options Granted \| shares	0
Number of Options Exercised \| shares	0
Number of Options Forfeited \| shares	(1,000,000)
Number of Options Outstanding, Ending \| shares	1,600,000
Options vested and expected to vest, Ending \| shares	1,600,000
Number of Options Exercisable, Ending \| shares	1,600,000
Weighted Average Exercise Price Outstanding, Beginning \| $ / shares	$ .06
Weighted Average Exercise Price Granted \| $ / shares
Weighted Average Exercise Price Exercised \| $ / shares
Weighted Average Exercise Price Forfeited \| $ / shares	0.10
Weighted Average Exercise Price Outstanding, Ending \| $ / shares	0.03
Weighted Average Exercise Price, Options vested and expected to vest, Ending \| $ / shares	0.03
Weighted Average Exercise Price Exercisable \| $ / shares	$ 0.03
Weighted Average Remaining Contractual Life (in years) Outstanding	1 year 2 months 1 day
Weighted Average Remaining Contractual Life (in years) Options vested and expected to vest	1 year 2 months 1 day
Weighted Average Remaining Contractual Life (in years) Exercisable	1 year 2 months 1 day
Aggregate Intrinsic Value Outstanding \| $	$ 0
Aggregate Intrinsic Value Options vested and expected to vest \| $	0
Aggregate Intrinsic Value Exercisable \| $	$ 0

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Weighted average price of options that were either forfeited or expired.

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Gross number of share options (or share units) granted during the period.

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No definition available.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of share options (or share units) exercised during the current period.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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