Quarterly report pursuant to Section 13 or 15(d)

Investments in Affiliates (Details)

v2.4.0.6
Investments in Affiliates (Details) (USD $)
In Thousands, unless otherwise specified
Apr. 30, 2013
Jan. 31, 2013
Total investments in affiliates $ 1,887 $ 2,951
Minerva [Member]
   
Total investments in affiliates 0 1,000
Visible World [Member]
   
Total investments in affiliates 551 551
Other investments [Member]
   
Total investments in affiliates $ 1,336 $ 1,400