Quarterly report pursuant to Section 13 or 15(d)

(Loss) Income Per Share (Details Textual)

v2.4.0.6
(Loss) Income Per Share (Details Textual)
3 Months Ended 6 Months Ended
Jul. 31, 2012
Jul. 31, 2011
Jul. 31, 2012
Jul. 31, 2011
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 1,200,000 1,400,000 700,000 1,600,000