v2.4.0.8
Note 10 - Stock Compensation (Details) - Stock Awards Outstanding (USD $)
12 Months Ended
Jan. 31, 2014
Note 10 - Stock Compensation (Details) - Stock Awards Outstanding [Line Items]  
Number Outstanding (in Shares) 638,500
Weighted-Avg. Exercise/Grant Price, Outstanding $ 1.22
Number Exercisable (in Shares) 591,100
Weighted-Avg. Exercise/Grant Price, Exercisable $ 1.23
Range $0.18-$0.40 [Member]
 
Note 10 - Stock Compensation (Details) - Stock Awards Outstanding [Line Items]  
Range of Exercise/Grant Prices $ 0.40
Number Outstanding (in Shares) 465,000
Weighted-Avg. Remaining Contractual Life 8 years 255 days
Weighted-Avg. Exercise/Grant Price, Outstanding $ 0.40
Number Exercisable (in Shares) 465,000
Weighted-Avg. Exercise/Grant Price, Exercisable $ 0.40
Range $1.09-$1.20 [Member]
 
Note 10 - Stock Compensation (Details) - Stock Awards Outstanding [Line Items]  
Range of Exercise/Grant Prices $ 1.09
Range of Exercise/Grant Prices $ 1.20
Number Outstanding (in Shares) 118,500
Weighted-Avg. Remaining Contractual Life 9 years 237 days
Weighted-Avg. Exercise/Grant Price, Outstanding $ 1.11
Number Exercisable (in Shares) 71,100
Weighted-Avg. Exercise/Grant Price, Exercisable $ 1.11
Range $4.90 [Member]
 
Note 10 - Stock Compensation (Details) - Stock Awards Outstanding [Line Items]  
Range of Exercise/Grant Prices $ 4.90
Number Outstanding (in Shares) 15,000
Weighted-Avg. Remaining Contractual Life 4 years 29 days
Weighted-Avg. Exercise/Grant Price, Outstanding $ 4.90
Number Exercisable (in Shares) 15,000
Weighted-Avg. Exercise/Grant Price, Exercisable $ 4.90
Range $8.38-$10.43 [Member]
 
Note 10 - Stock Compensation (Details) - Stock Awards Outstanding [Line Items]  
Range of Exercise/Grant Prices $ 8.38
Range of Exercise/Grant Prices $ 10.43
Number Outstanding (in Shares) 40,000
Weighted-Avg. Remaining Contractual Life 3 years 146 days
Weighted-Avg. Exercise/Grant Price, Outstanding $ 9.78
Number Exercisable (in Shares) 40,000
Weighted-Avg. Exercise/Grant Price, Exercisable $ 9.78