XML 36 R3.htm IDEA: XBRL DOCUMENT v2.4.0.6
Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Oct. 31, 2011
Jan. 31, 2011
Oct. 31, 2010
Condensed Consolidated Balance Sheets [Abstract]      
Accounts receivable, allowance for doubtful accounts $ 1,046 $ 1,015 $ 1,538
Preferred shares, par value $ 0.0001 $ 0.0001 $ 0.0001
Preferred shares, shares authorized 10,000,000 10,000,000 10,000,000
Preferred shares, shares issued 0 0 0
Common shares, par value $ 0.0001 $ 0.0001 $ 0.0001
Common shares, shares authorized 200,000,000 200,000,000 200,000,000
Common shares, shares issued 144,201,664 164,413,427 163,914,628
Common shares, shares outstanding 144,201,664 164,413,427 163,914,628