Note 5 - Stockholders' Equity (Tables)
 9 Months Ended
Nov. 30, 2016
Notes Tables  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
   
Nine Months Ended
  
   
November 30,
  
   
2016
    
2015
  
Outstanding stock options as of February 28 or 29:
    
12,936
      
12,936
  
Granted
    
-
      
-
  
Exercised
    
-
      
-
  
Cancelled/forfeited
    
(12,936
 )    
-
  
Outstanding stock options as of November 30:
    
-
      
12,936
  
                 
Weighted average exercise price
    
n/a
     $
14.70
  
Weighted average remaining contractual term
(in years)
    
n/a
      
0.29
  
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]
   
Nine Months Ended
  
   
November 30,
  
   
2016
    
2015
  
Outstanding non-vested restricted stock units as of February 28 or 29:
    
181,742
      
237,641
  
Granted
    
-
      
-
  
Vested
    
(48,084
 )    
(55,899
 )
Cancelled/forfeited
    
(10,000
 )    
-
  
Outstanding non-vested restricted stock units as of November 30:
    
123,658
      
181,742
  
                 
Weighted average grant date fair value
   $
12.22
     $
12.22
  
Weighted average remaining vesting period (in years)
    
2.47
      
3.47