v2.4.0.8

Note 4 - Stock-Based Compensation (Details) - Stock Awards Outstanding (USD $) |  |  | 3 Months Ended
--- | --- | --- | ---
Apr. 30, 2014 | Jan. 31, 2014 | Apr. 30, 2014 Range 1 [Member] | Apr. 30, 2014 Range 2 [Member] | Apr. 30, 2014 Range 3 [Member] | Apr. 30, 2014 Range 4 [Member]
Note 4 - Stock-Based Compensation (Details) - Stock Awards Outstanding [Line Items] |  |  |  |  |  |
Range of Exercise/Grant Prices |  |  | $ 0.40 | $ 1.09 | $ 4.90 | $ 10.43
Number of Options Outstanding (in Shares) | 600,000 | 638,500 | 465,000 | 100,000 | 15,000 | 20,000
Weighted-Ave. Remaining Contractual Life of Outstanding Options |  |  | 8 years 164 days | 4 years 197 days | 3 years 306 days | 2 years 51 days
Weighted-Ave. Exercise/Grant Price of Outstanding Options | $ 1.13 | $ 1.22 | $ 0.40 | $ 1.09 | $ 4.90 | $ 10.25
Number of Options Exercisable (in Shares) | 560,000 |  | 465,000 | 60,000 | 15,000 | 20,000
Weighted-Ave. Exercise Price of Exercisable Options | $ 0.95 |  | $ 0.40 | $ 1.09 | $ 4.90 | $ 10.43

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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term of outstanding stock options, 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 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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