Note 5 - Stockholders' Deficit - Stock Options Activity (Details) - Employee Stock Option [Member] - $ / shares |
9 Months Ended | |
|---|---|---|
Mar. 31, 2018 |
Mar. 31, 2017 |
|
| Outstanding Beginning (in shares) | 716,277 | 900,402 |
| Outstanding Beginning (in dollars per share) | $ 1.10 | $ 1.13 |
| Granted (in shares) | 1,970,000 | |
| Granted (in dollars per share) | $ 0.46 | |
| Exercised (in shares) | ||
| Exercised (in dollars per share) | ||
| Forfeited and cancelled (in shares) | (66,910) | (184,125) |
| Forfeited and cancelled (in dollars per share) | $ 0.62 | $ 1.63 |
| Outstanding at March 31, 2018 (in shares) | 2,619,367 | 716,277 |
| Outstanding at March 31, 2018 (in dollars per share) | $ 0.61 | $ 1.01 |
| Outstanding at March 31, 2018 (Year) | 8 years 219 days | 7 years 62 days |
| Exercisable (in shares) | 1,228,654 | 562,435 |
| Exercisable (in dollars per share) | $ 0.77 | $ 1.14 |
| Exercisable (Year) | 7 years 273 days | 6 years 200 days |
| X | ||||||||||
- Definition Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term No definition available.
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| X | ||||||||||
- Definition 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Weighted average price of options that were either forfeited or expired. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Net number of share options (or share units) granted during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. No definition available.
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| X | ||||||||||
- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
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| X | ||||||||||
- Definition 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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