Note 5 - Intangible Assets

12 Months Ended

Oct. 31, 2018

Notes to Financial Statements

Intangible Assets Disclosure [Text Block]

(

)

Intangible Assets

Aggregate amortization expense for amortizing intangible assets was

$34,768,

$25,704

and

$16,903

for the years ended

October 31, 2018,

2017

and

2016,

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

$38,000

for each of the next

five

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

October 31, 2018

was

$596,457

and

$96,795,

respectively. 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.