Quarterly report pursuant to Section 13 or 15(d)

Note 18 - Leases (Details Textual)

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Note 18 - Leases (Details Textual) - USD ($)
$ in Thousands
 1 Months Ended 3 Months Ended
Aug. 31, 2022
Feb. 28, 2023
Wilmington/Andover, Massachusetts [Member]    
Operating Lease, Monthly Base Rent Expense   $ 20
SOUTH AFRICA | Lease for Larger Facility [Member]    
Operating Lease, Monthly Base Rent Expense   70
Fort Wayne, Indiana [Member] | Fort Wayne Facility Member    
Operating Lease, Monthly Base Rent Expense   10
Fort Wayne, Indiana [Member] | Former Fort Wayne Facility Member    
Operating Lease, Monthly Base Rent Expense $ 20  
Las Vegas, Nevada [Member] | Maximum [Member]    
Operating Lease, Monthly Base Rent Expense   $ 10