v3.4.0.3
Note 7 - Stock Compensation (Details Textual) - USD ($)
12 Months Ended
Jan. 31, 2016
Jan. 31, 2015
Jan. 31, 2014
Jan. 31, 2013
Jul. 31, 2011
Jun. 30, 2008
Dec. 31, 2005
May. 31, 2005
Prior Employee Plan [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized               825,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number       25,000        
Share Based Compensation Options Maximum Expiration Period Following Grant Date 10 years              
Share Based Compensation Options Maximum Expiration Period Following Grant Date for Specified Percentage Ownership 5 years              
Share Based Compensation Determination of Expiration Period Specified Percentage 10.00%              
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant               0
Equity Incentive Plan 2005 [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized             450,000  
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              
Share Based Compensation Options Maximum Expiration Period Following Grant Date for Specified Percentage Ownership 5 years              
Share Based Compensation Determination of Expiration Period Specified Percentage 10.00%              
Equity Incentive Plan 2011 [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized         750,000      
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, Options, Outstanding, Number 950,000 600,000 638,500          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 350,000 0            
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 0              
Share-based Compensation Arrangement by Share-based Payment Award, Options, Estimated Expected Forfeitures 0              
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized $ 17,000              
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 150 days              
Share Price $ 0.11 $ 0.14            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number 560,000              
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price $ 0.94              
Common Stock, Capital Shares Reserved for Future Issuance 129,724              
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value   $ 0 $ 0