Note 4 - Stock-based Compensation (Details Textual) - USD ($) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jul. 31, 2016 |
Jul. 31, 2015 |
Jul. 31, 2016 |
Jul. 31, 2015 |
|
| Restricted Stock [Member] | ||||
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period | 0 | 0 | 0 | 0 |
| Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized | $ 0 | $ 0 | ||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 0 | 350,000 | 0 | 350,000 |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value | $ 0 | $ 0 | ||
| Share Price | $ 0.08 | $ 0.08 | ||
| Common Stock, Capital Shares Reserved for Future Issuance | 219,724 | 219,724 | ||