Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v2.4.0.6
Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Jan. 31, 2012
Jan. 31, 2011
Consolidated Balance Sheets [Abstract]    
Allowances for accounts receivable $ 590 $ 503
Redeemable convertible preferred stock, par value $ 0.0001 $ 0.0001
Redeemable convertible preferred stock, shares authorized 0 134,051,713
Redeemable convertible preferred stock, shares issued 0 133,534,334
Redeemable convertible preferred stock, shares outstanding 0 133,534,334
Preferred stock, par value $ 0.0001 $ 0.0001
Preferred stock, shares authorized 10,000,000 0
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.0001 $ 0.0001
Common stock, shares authorized 1,000,000,000 220,000,000
Common stock, shares issued 163,569,361 14,510,655
Common stock, shares outstanding 163,569,361 14,510,655