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Note 5 - Acquisitions (Tables)
12 Months Ended
Nov. 30, 2021
Notes Tables  
Asset Acquisition [Table Text Block]

Accounts receivable

 $465 

Prepaid expenses

  165 

Inventory

  82 

Property and equipment

  180 

Patents

  2,810 

Total assets acquired

 $3,702 
Schedule of Business Acquisitions, by Acquisition [Table Text Block]

Inventory

 $117 

Patents

  60 

Goodwill

  165 

Net assets acquired

 $342 

Property and equipment

 $67 

Goodwill

  651 

Right-of-use asset, net

  54 

Loan payable

  (123

)

Operating lease liability, current

  (35

)

Operating lease liability, noncurrent

  (19

)

Other net asset (liabilities)

  (38

)

Net assets acquired

 $557