v2.4.0.8

Note 10 - Fair Value Measurements (Details) - Significant Weighted Average Assumptions | 9 Months Ended
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Oct. 31, 2013
Outstanding and Contingent Warrants [Member] |
Note 10 - Fair Value Measurements (Details) - Significant Weighted Average Assumptions [Line Items] |
Risk free interest rate | 1.87%
Average expected life | 6 years 270 days
Expected volatility | 113.59%
Derivative Financial Instruments, Liabilities [Member] |
Note 10 - Fair Value Measurements (Details) - Significant Weighted Average Assumptions [Line Items] |
Risk free interest rate | 0.12%
Average expected life | 1 year 29 days
Expected volatility | 72.43%

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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 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=25499696&loc=d3e19207-110258 + Details
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- Definition Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price. + References 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=25499696&loc=d3e19207-110258 + Details
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- Definition Risk-free interest rate assumption used in valuing an instrument. + References 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=25499696&loc=d3e19207-110258 + Details
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