Note 5 - Stockholders' Deficit (Details 2) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2019 |
Mar. 31, 2018 |
Mar. 31, 2019 |
Mar. 31, 2018 |
|
| Allocated Share-based Compensation Expense | $ 1,086,000 | $ 45,000 | $ 1,492,000 | $ 209,000 |
| Research and Development Expense [Member] | ||||
| Allocated Share-based Compensation Expense | 225,000 | 16,000 | 256,000 | 80,000 |
| General and Administrative Expense [Member] | ||||
| Allocated Share-based Compensation Expense | $ 861,000 | $ 29,000 | $ 1,236,000 | $ 129,000 |
| X | ||||||||||
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|