Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Intangible Assets (Details Textual)

v3.22.2
Note 11 - Intangible Assets (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
May 25, 2022
Aug. 18, 2021
May 12, 2021
May 31, 2022
Feb. 28, 2022
May 31, 2021
May 31, 2022
May 31, 2021
Amortization of Intangible Assets       $ 60   $ 20 $ 100 $ 30
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] | 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      
Ballistipax [Member] | Patents [Member]                
Finite-lived Intangible Assets Acquired   $ 60            
Finite-Lived Intangible Asset, Useful Life (Year)   17 years            
Trademarks [Member] | Fox Labs International [Member]                
Indefinite-Lived Intangible Assets Acquired $ 400