|3 Months Ended|
Jan. 31, 2017
|Investments Schedule [Abstract]|
|Investment [Text Block]||
At January 31, 2017 and October 31, 2016, we had certificates of deposit of $600,000 and $750,000, respectively, which were classified as short-term investments and reported at fair value.
The entire disclosure for investments, including all tables.
Reference 1: http://www.xbrl.org/2003/role/presentationRef