Note 7 - Employee Option Grants and Non-employee Option Grants (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Jun. 30, 2016 |
Jun. 30, 2015 |
|
| Research and Development Expense [Member] | ||
| Allocated Share-based Compensation Expense | $ 21,000 | $ 12,000 |
| General and Administrative Expense [Member] | ||
| Allocated Share-based Compensation Expense | 88,000 | 225,000 |
| Allocated Share-based Compensation Expense | $ 109,000 | $ 237,000 |
| 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://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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