XML 45 R33.htm IDEA: XBRL DOCUMENT v3.21.4
Note 1 - Business Activities and Summary of Significant Accounting Policies (Details Textual) - USD ($)
12 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Nov. 01, 2019
Amortization of Intangible Assets, Total $ 442,000 $ 692,000  
Advertising Expense 314,000 295,000  
Research and Development Expense, Total 1,479,000 1,989,000  
Share-based Payment Arrangement, Noncash Expense, Total $ 769,000 $ 556,000  
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 386,364 402,838  
Operating Lease, Right-of-Use Asset $ 1,453,000 $ 1,421,000  
Operating Lease, Liability, Total 1,507,000    
Accounting Standards Update 2016-02 [Member]      
Operating Lease, Right-of-Use Asset     $ 2,300,000
Operating Lease, Liability, Total     $ 2,400,000
Trademarks [Member]      
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) $ 0 $ 0  
Minimum [Member]      
Property, Plant and Equipment, Useful Life (Year) 3 years    
Maximum [Member]      
Property, Plant and Equipment, Useful Life (Year) 5 years    
Weighted Average [Member]      
Finite-Lived Intangible Asset, Useful Life (Year) 7 years 10 months 6 days