Note 5 - Intangible Assets

12 Months Ended

Oct. 31, 2017

Notes to Financial Statements

Intangible Assets Disclosure [Text Block]

(

)

Intangible Assets

Aggregate amortization expense for amortizing intangible assets was

$25,704,

$16,903

and

$10,860

for the years ended

October 31, 2017,

2016

and

2015,

respectively. Amortization of intangible assets is calculated using a straight-line method over the estimated useful lives of the intangible assets. Amortization expense is estimated to be

$26,000

for each of the next

five

years. The gross carrying amounts and accumulated amortization of intangible assets

subject to amortization as of

October 31, 2017

was

$487,289

and

$62,027,

respectively.