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Equity (Tables)
6 Months Ended
Jul. 31, 2012
Equity [Abstract]  
Schedule of stock option activity under the 2002 stock option plan and 2006 equity incentive plan
A summary of our stock option activity under the 2002 stock option plan and 2006 equity incentive plan as of July 31, 2012 is as follows:
 
   
Shares
  
Weighted Avg. Exercise Price
  
Weighted Avg. Remaining Contract Life in years
  
Aggregate Intrinsic Value
 
Outstanding at January 31, 2012
  484,050  $4.39   2.18  $438,000 
Granted
  -   -         
Exercised
  (23,000)  1.95         
Canceled, forfeited or expired
  (2,500)  2.19         
Outstanding at July 31, 2012
  458,550  $4.52   1.78  $1,068,000 
Exercisable at July 31, 2012
  458,550  $4.52   1.78  $1,068,000