Note 11 - Fair Value Measurements - Summary of Changes in the Fair Value of Level 3 Financial Instruments (Details) - Warrant [Member] |
12 Months Ended |
|---|---|
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Jun. 30, 2017
USD ($)
| |
| Balance at June 30, 2016 | $ 24,000 |
| Change in fair value of warrant liability | (14,000) |
| Warrant re-pricing modification charge (Note 9) | (10,000) |
| Balance at June 30, 2017 |
| X | ||||||||||
- Definition Amount of warrant re-pricing modification charges of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. No definition available.
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| X | ||||||||||
- Definition Amount of gain (loss) recognized on the income statement for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Details
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