v2.4.0.8
Note 4 - Stock Compensation (Details) - Stock Awards Outstanding (USD $)
9 Months Ended
Oct. 31, 2013
Note 4 - Stock Compensation (Details) - Stock Awards Outstanding [Line Items]  
Number Outstanding (in Shares) 1,179,500
Weighted-Avg. Remaining Contractual Life 4 years 211 days
Weighted-Avg. Exercise/Grant Price, Outstanding $ 0.99
Number Exercisable (in Shares) 672,100
Weighted-Avg. Exercise/Grant Price, Exercisable $ 1.48
Range 1 [Member]
 
Note 4 - Stock Compensation (Details) - Stock Awards Outstanding [Line Items]  
Number Outstanding (in Shares) 1,103,500
Weighted-Avg. Remaining Contractual Life 4 years 266 days
Weighted-Avg. Exercise/Grant Price, Outstanding $ 0.45
Number Exercisable (in Shares) 596,100
Weighted-Avg. Exercise/Grant Price, Exercisable $ 0.55
Range 1 [Member] | Minimum [Member]
 
Note 4 - Stock Compensation (Details) - Stock Awards Outstanding [Line Items]  
Lower Price Range $ 0.18
Range 1 [Member] | Maximum [Member]
 
Note 4 - Stock Compensation (Details) - Stock Awards Outstanding [Line Items]  
Upper Price Range $ 1.20
Range 2 [Member]
 
Note 4 - Stock Compensation (Details) - Stock Awards Outstanding [Line Items]  
Number Outstanding (in Shares) 15,000
Weighted-Avg. Remaining Contractual Life 4 years 120 days
Weighted-Avg. Exercise/Grant Price, Outstanding $ 4.90
Number Exercisable (in Shares) 15,000
Weighted-Avg. Exercise/Grant Price, Exercisable $ 4.90
Range 3 [Member]
 
Note 4 - Stock Compensation (Details) - Stock Awards Outstanding [Line Items]  
Number Outstanding (in Shares) 61,000
Weighted-Avg. Remaining Contractual Life 1 year 339 days
Weighted-Avg. Exercise/Grant Price, Outstanding $ 9.68
Number Exercisable (in Shares) 61,000
Weighted-Avg. Exercise/Grant Price, Exercisable $ 9.68
Range 3 [Member] | Minimum [Member]
 
Note 4 - Stock Compensation (Details) - Stock Awards Outstanding [Line Items]  
Lower Price Range $ 8.38
Range 3 [Member] | Maximum [Member]
 
Note 4 - Stock Compensation (Details) - Stock Awards Outstanding [Line Items]  
Upper Price Range $ 10.43