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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Unrecognized cost of unvested share-based compensation awards.

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Intrinsic value of equity-based compensation awards outstanding. Excludes stock and unit options.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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