Note 15 - Stockholders' Equity (Details) - Schedule of Stockholders' Equity Note, Warrants or Rights - $ / shares |
6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Nov. 14, 2018 |
Sep. 06, 2018 |
Nov. 30, 2018 |
May 31, 2018 |
|
| Schedule of Stockholders' Equity Note, Warrants or Rights [Abstract] | ||||
| Warrants outstanding, Number of Shares | 4,700,988 | |||
| Warrants outstanding, Weighted Average Exercise Price | $ 0.53 | $ 0.62 | ||
| Granted, Number of Shares | 52,776,202 | |||
| Granted, Weighted Average Exercise Price | $ 0.58 | |||
| Exercised, Number of Shares | (25,000) | (40,000) | (415,000) | |
| Exercised, Weighted Average Exercise Price | $ 0.75 | |||
| Cancelled / Expired, Number of Shares | 0 | |||
| Cancelled / Expired, Weighted Average Exercise Price | $ 0 | |||
| Warrants outstanding, Number of Shares | 57,062,190 |
| X | ||||||||||
- Definition Aggregate amount of each class of warrants or rights cancelled or expired. No definition available.
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| X | ||||||||||
- Definition Aggregate amount of each class of warrants or rights exercised. No definition available.
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| X | ||||||||||
- Definition The weighted average exercise price of each class of warrants or rights expired or cancelled. No definition available.
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| X | ||||||||||
- Definition The weighted average exercise price of each class of warrants or rights exercised. No definition available.
|
| X | ||||||||||
- Definition The weighted average exercise price of each class of warrants or rights granted. No definition available.
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| X | ||||||||||
- Definition The weighted average exercise price of each class of warrants or rights outstanding. No definition available.
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| X | ||||||||||
- Definition Aggregate amount of each class of warrants or rights granted. No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Number of warrants or rights outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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