Note 5 - Stockholders' Deficit - Employee Option Grants and Non-employee Option Grants (Details) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2018 |
Mar. 31, 2017 |
Mar. 31, 2018 |
Mar. 31, 2017 |
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| Allocated Share-based Compensation Expense | $ 45,000 | $ 10,000 | $ 209,000 | $ 30,000 |
| Research and Development Expense [Member] | ||||
| Allocated Share-based Compensation Expense | 16,000 | 3,000 | 80,000 | 10,000 |
| General and Administrative Expense [Member] | ||||
| Allocated Share-based Compensation Expense | $ 29,000 | $ 7,000 | $ 129,000 | $ 20,000 |
| X | ||||||||||
- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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