Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Patent Rights (Details Textual)

v3.22.1
Note 11 - Patent Rights (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Aug. 18, 2021
May 12, 2021
Feb. 28, 2022
Feb. 28, 2021
Kore [Member]        
Payments to Acquire Productive Assets, Total   $ 3,500    
Asset Acquisition, Consideration Transferred, Transaction Cost   200    
Asset Acquisition, Consideration Transferred, Total   3,700    
Capitalized Key Patents and Intellectual Property Acquired   $ 2,800    
Patents [Member]        
Amortization of Intangible Assets, Total     $ 60 $ 20
Patents [Member] | Purchase and Sale Agreement with Andre Buys [Member]        
Finite-lived Intangible Assets Acquired     $ 900  
Patents [Member] | Maximum [Member] | Purchase and Sale Agreement with Andre Buys [Member]        
Finite-Lived Intangible Asset, Useful Life (Year)     20 years  
Patents [Member] | Minimum [Member] | Purchase and Sale Agreement with Andre Buys [Member]        
Finite-Lived Intangible Asset, Useful Life (Year)     15 years  
Patents [Member] | Kore [Member] | Maximum [Member]        
Finite-Lived Intangible Asset, Useful Life (Year)     20 years  
Patents [Member] | Kore [Member] | Minimum [Member]        
Finite-Lived Intangible Asset, Useful Life (Year)     15 years  
Patents [Member] | Ballistipax [Member]        
Finite-lived Intangible Assets Acquired $ 60      
Finite-Lived Intangible Asset, Useful Life (Year) 17 years