Consolidated Balance Sheets - Symon (Parentheticals) (USD $)
Jan. 31, 2013
Nonvoting Common Stock [Member]
Jan. 31, 2012
Nonvoting Common Stock [Member]
Jan. 31, 2011
Nonvoting Common Stock [Member]
Jan. 31, 2013
Common Class A [Member]
Jan. 31, 2012
Common Class A [Member]
Jan. 31, 2011
Common Class A [Member]
Common stock, par value (in Dollars per share) $ 0.01 $ 0.01 $ 0.01 $ 0.01 $ 0.01 $ 0.01
Common stock, shares authorized 200,000 200,000 200,000 200,000 200,000 200,000
Common stock, shares issued 68,889 68,889 96,700 0 0 0
Common stock, shares outstanding 68,889 68,889 96,700 0 0 0