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Note 7 - Revenue, Deferred Revenue and Accounts Receivable (Tables)
12 Months Ended
Nov. 30, 2023
Notes Tables  
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]
    

Deferred revenue balance, November 30, 2021

 $1,125 

Net additions to deferred revenue

  30,817 

Reductions in deferred revenue for revenue recognized during the fiscal year

  (31,144)

Deferred revenue balance, November 30, 2022

  798 

Net additions to deferred revenue

  31,049 

Reductions in deferred revenue for revenue recognized during the fiscal year

  (29,912)

Deferred revenue balance, November 30, 2023

 $1,935 

Less current portion

  1,844 

Deferred revenue, non-current

 $91 
Disaggregation of Revenue [Table Text Block]
  

Years Ended

 
  

November 30,

 

Geographical Market

  2023   2022 

U.S. Domestic

 $40,182  $38,856 

South Africa

  402   2,569 

Europe/South America/Asia

  1,013   6,431 

Canada

  1,047   180 

Total

 $42,644  $48,036 
  

Years Ended

 
  

November 30,

 

Distribution channel

 

2023

  

2022

 

Wholesale (dealer/distributors)

 $12,737  $17,504 

E-commerce

  29,907   30,532 

Total

 $42,644  $48,036