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Stock-Based Compensation
3 Months Ended
Apr. 30, 2013
Stock-Based Compensation [Abstract]  
Stock-Based Compensation
10. Stock-Based Compensation

Total compensation expense recognized for stock-based awards granted under the Company’s various equity incentive plans during the three months ended April 30, 2013 and 2012 was approximately $266,000 and $194,000, respectively.