v2.4.0.8

Note 4 - Stock-Based Compensation (Details) (USD $) | 3 Months Ended |  |  |  | 12 Months Ended |  |  | 12 Months Ended |  | 12 Months Ended |  | 3 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 30, 2014 | Apr. 30, 2013 | Jan. 31, 2014 | Feb. 11, 2013 | Feb. 08, 2013 | Jan. 31, 2013 Restricted Stock [Member] | Apr. 30, 2014 Restricted Stock [Member] | Apr. 30, 2014 Employee Plan [Member] | Jan. 31, 2014 Employee Plan [Member] | Jan. 31, 2014 2005 Equity Incentive Plan [Member] | Apr. 30, 2014 2005 Equity Incentive Plan [Member] | Jan. 31, 2014 2011 Equity Incentive Plan [Member] | Apr. 30, 2014 2011 Equity Incentive Plan [Member] | Apr. 30, 2014 Prior Employee Plan [Member]
Note 4 - Stock-Based Compensation (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized (in Dollars) | $ 35,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition | 11 months |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 0 | 0 |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized | 2,675,000 |  |  |  |  |  |  | 825,000 |  | 450,000 |  |  | 750,000 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | 600,000 |  | 638,500 |  |  |  |  |  | 25,000 |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award Number of Shares Authorized Including Additional Shares Authorized |  |  |  |  |  |  |  |  |  |  | 1,100,000 |  |  |
Share Based Compensation Options Maximum Expiration Period Following Grant Date |  |  |  |  |  |  |  |  |  | 10 years |  | 10 years |  | 10 years
Share Based Compensation Options Maximum Expiration Period Following Grant Date for Specified Percentage Ownership |  |  |  |  |  |  |  |  |  | 5 years |  | 5 years |  | 5 years
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement by Share Based Payment Award Percentage of Optionee Condition | 10.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement by Share Based Payment Award Purchase Price of Common Stock Percent Condition | 110.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding (in Dollars) |  |  |  |  |  |  | 15,600 |  |  |  |  |  |  |
Share Price (in Dollars per share) | $ 0.22 |  |  | $ 0.14 | $ 0.158 |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value (in Dollars) | $ 6,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share) |  |  |  |  |  | $ 35,224 |  |  |  |  |  |  |  |

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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, 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 (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target 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)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + 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 (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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