Note 10 - Stockholders' Equity (Details) - Schedule of Warrants or Rights, Shares Authorized, by Exercise Price Range - $ / shares |
6 Months Ended | ||
|---|---|---|---|
Feb. 28, 2019 |
Dec. 12, 2018 |
Aug. 31, 2018 |
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| Schedule of Warrants or Rights, Shares Authorized, by Exercise Price Range [Abstract] | |||
| Range of exercise prices | $ 3.90 | $ 3.90 | |
| Number of warrants outstanding (in Shares) | 712,820 | 463,631 | |
| Weighted average remaining contractual life | 1 year 292 days | ||
| Weighted average exercise price of outstanding warrants | $ 3.90 | $ 0.26 | |
| number of warrants exercisable (in Shares) | 712,820 | ||
| Weighted average exercise price of exercisable warrants | $ 3.90 |
| X | ||||||||||
- Definition Aggregate amount of each class of warrants or rights exercisable. No definition available.
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| X | ||||||||||
- Definition The weighted average exercise price of each class of warrants or rights exercisable. 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 | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Weighted average remaining contractual term for warrants outstanding. No definition available.
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| X | ||||||||||
- Definition Exercise price per share or per unit of warrants or rights outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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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