XML 42 R32.htm IDEA: XBRL DOCUMENT v3.22.2
Note 9 - Product Warranty (Tables)
6 Months Ended
May 31, 2022
Notes Tables  
Schedule of Product Warranty Liability [Table Text Block]
   

For the Three Months Ended

 
   

May 31, 2022

   

May 31, 2021

 

Balance, beginning

  $ 115,062     $ 295,581  

Settlements / adjustments

    73,088       44,807  

Warranties issued

    (98,601 )     (72,888 )

Balance, ending

  $ 89,549     $ 267,500  
   

For the Six Months Ended

 
   

May 31, 2022

   

May 31, 2021

 

Balance, beginning

  $ 202,850     $ 291,453  

Settlements / adjustments

    94,712       78,313  

Warranties issued

    (208,013 )     (102,266 )

Balance, ending

  $ 89,549     $ 267,500