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Note 8 - Revenue, Deferred Revenue and Accounts Receivable (Tables)
3 Months Ended
Feb. 28, 2022
Notes Tables  
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]
  

February 28,

  

November 30,

 
  2022  2021 

Deferred revenue balance, beginning of period

 $1,125  $4,902 

Net additions to deferred revenue during the period

  5,818   33,641 

Reductions in deferred revenue for revenue recognized during the period

  (6,167)  (37,418)

Deferred revenue balance, end of period

  776   1,125 

Less current portion

  361   720 

Deferred revenue, non-current

 $415  $405 
Disaggregation of Revenue [Table Text Block]
  

Three Months Ended

 
  

February 28,

 

Distribution channel

 

2022

  

2021

 

Wholesale (dealer/distributors)

 $1,755  $1,669 

E-commerce

  6,222   7,224 

Total

 $7,977  $8,893