Note 7 - Warrant Derivative Liability (Details Textual) - USD ($) |
3 Months Ended | 6 Months Ended | 12 Months Ended | |||||
|---|---|---|---|---|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Jun. 30, 2016 |
Sep. 30, 2016 |
Sep. 26, 2016 |
Dec. 31, 2012 |
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| Warrant Liabilities, Current, Weighted Average Price | $ 0.004 | $ 0.01 | ||||||
| Warrant Liabilities, Current | $ 3,000 | $ 3,000 | $ 24,000 | |||||
| Share Price | $ 0.04 | $ 0.04 | $ 0.05 | $ 0.04 | ||||
| Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 0.14 | $ 0.41 | ||||||
| Gain (Loss) on Derivative Instruments, Net, Pretax | $ 3,000 | $ 13,000 | ||||||
| X | ||||||||||
- Definition Instruments classified as derivative liabilities are recorded initially at their estimated fair value and are re-measured each reporting period (or upon reclassification) and the change in fair value is recorded on our condensed consolidated statement of operations in other (income) expense. No definition available.
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| X | ||||||||||
- Definition Instruments classified as derivative liabilities are recorded initially at their average fair value per share and are re-measured each reporting period (or upon reclassification) and the change in fair value is recorded on our condensed consolidated statement of operations in other (income) expense. No definition available.
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| X | ||||||||||
- Definition Exercise price per share or per unit of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Price of a single share of a number of saleable stocks of a company. No definition available.
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