Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets

Intangible Assets

3 Months Ended

Feb. 28, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible assets consist of owned trademarks and patents for ten product lines.



	February 28, 2017		November 30, 2016
Patents and trademarks	$	580,007	$	580,007
Less: Accumulated amortization	146,325		146,229
Intangible Assets - Net	$	433,682	$	433,778

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.