Note 10 - Income Taxes (Details Narrative) - USD ($) |
Jun. 30, 2019 |
Jun. 30, 2018 |
|---|---|---|
| Income Tax Disclosure [Abstract] | ||
| Deferred tax assets, valuation allowance | $ 11,636,000 | $ 8,589,000 |
| Unrecognized tax benefits | $ 0 | $ 0 |
| X | ||||||||||
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|