Quarterly report pursuant to Section 13 or 15(d)

Loss Per Share (Details Textual)

v2.4.0.6
Loss Per Share (Details Textual)
3 Months Ended
Apr. 30, 2013
Apr. 30, 2012
Stock Options [Member]
   
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 595,515 1,616,207
Stock Equivalent [Member]
   
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 656,087 437,793