Note 9 - 2012 Financing (Detail) - The assumptions used to measure fair value of the Embedded Derivative: (Embedded Derivative [Member])	0 Months Ended
Dec. 31, 2012	Aug. 13, 2012
Embedded Derivative [Member]
Risk-free interest rate	0.11%	0.19%
Expected life (in years)	226 days	1 year
Dividend yield	0.00%	0.00%
Expected volatility	109.02%	78.44%

Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price).

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

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- Definition

Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.

+ References

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- Definition

Risk-free interest rate assumption used in valuing an instrument.

+ References

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