Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Details 3)

v2.4.0.6
Stockholders' Equity (Details 3) (USD $)
12 Months Ended
Jan. 31, 2013
Jan. 31, 2012
Jan. 31, 2011
Shares, Outstanding 2,125,371 2,382,174 3,934,973
Shares, Granted 892,500 250,000 15,000
Shares, Exercised (304,550) (253,668) (309,195)
Shares, Forfeited/expired/cancelled (795,873) (253,135) (1,258,604)
Shares, Outstanding 1,917,448 2,125,371 2,382,174
Shares, Options exercisable at end of period 937,444 1,878,707 2,367,176
Weighted average exercise price, Outstanding $ 11.83 $ 12.31 $ 15.41
Weighted average exercise price, Granted $ 8.21 $ 6.74 $ 8.77
Weighted average exercise price, Exercised $ 7.19 $ 7.04 $ 6.71
Weighted average exercise price, Forfeited/expired/cancelled $ 13.11 $ 16.11 $ 23.30
Weighted average exercise price, Outstanding $ 10.35 $ 11.83 $ 12.31
Weighted average execise price, Options exercisable at end of period $ 12.78 $ 12.51 $ 12.33
Weighted average execise price, Weighted average remaining contractual term (in years) 1 year 10 months 10 days 2 years 1 month 6 days 1 year 11 months 12 days