Note 5 - Property, Plant and Equipment (Details Narrative) - USD ($) |
9 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2019 |
Mar. 31, 2018 |
Jun. 30, 2018 |
Jun. 30, 2017 |
|
| Property, Plant and Equipment, Net [Abstract] | ||||
| Depreciation | $ 54,000 | $ 41,000 | $ 57,000 | $ 40,000 |
| X | ||||||||||
- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- References No definition available.
|