|6 Months Ended|
May 31, 2016
|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 May 31, 2016 and 2015 amounted to $97 and $97, respectively. Amortization expense for the six months ended May 31, 2016 and May 31, 2015 amounted to $194 and $194 , respectively. Estimated amortization expenses for the years ending November 30, 2016, 2017, 2018, 2019 and 2020 are $388, $388, $388, $376 and $376, respectively.
The entire disclosure for all or part of the information related to intangible assets.
Reference 1: http://www.xbrl.org/2003/role/presentationRef