|3 Months Ended|
Feb. 28, 2017
|Goodwill and Intangible Assets Disclosure [Abstract]|
|INTANGIBLE ASSETS||INTANGIBLE ASSETS
Intangible assets consist of owned trademarks and patents for ten product lines.
Patents are amortized on a straight-line basis over their legal life of 17 years. Trademarks have an indefinite life and are reviewed annually for impairment or more frequently if impairment indicators occur. Amortization expense for the three months ended February 28, 2017 and 2016 amounted to $96 and $97, respectively. Estimated amortization expenses for the years ending November 30, 2017, 2018, 2019, 2020 and 2021 are $388, $388, $388, $243 and $243, respectively.
The entire disclosure for all or part of the information related to intangible assets.
Reference 1: http://www.xbrl.org/2003/role/presentationRef