Quarterly report pursuant to Section 13 or 15(d)

Note 15 - Leases (Details Textual)

v3.23.2
Note 15 - Leases (Details Textual)
 3 Months Ended 9 Months Ended
Jul. 31, 2021
USD ($)
ft²
Jun. 30, 2023
USD ($)
ft²
Jun. 30, 2022
USD ($)
Jun. 30, 2023
USD ($)
ft²
Jun. 30, 2022
USD ($)
Nov. 19, 2021
ft²
Jan. 01, 2015
Operating Lease, Weighted Average Remaining Lease Term   5 years 1 month 6 days 4 years 5 months 19 days 5 years 1 month 6 days 4 years 5 months 19 days    
Operating Lease, Weighted Average Discount Rate, Percent   3.58% 3.05% 3.58% 3.05%    
Operating Lease, Payments | $   $ 1,012,000 $ 617,000 $ 2,910,000 $ 1,167,000    
Tabasalu, Estonia [Member]              
Area of Real Estate Property   49,000   49,000      
7050 Winnetka Avenue North, Brooklyn Park, Minnesota [Member]              
Area of Real Estate Property   85,000   85,000      
Lessee, Operating Lease, Term of Contract (Year)             10 years 2 months 1 day
Tijuana, Mexico 3 [Member]              
Area of Real Estate Property 318,000            
Lessee, Operating Lease, Number of Options to Renew 2            
Operating Lease, Monthly Payment | $ $ 162,000            
Operating Lease, Payments, Annual Increase, Percentage 2.00%            
Brooklyn Part, MN [Member]              
Area of Real Estate Property           105,000  
Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract (Year)           5 years  
Lessee, Operating Lease, Lease Not yet Commenced, Renewal Term (Year)           5 years  
Oulu, Finland [Member]              
Area of Real Estate Property   25,000   25,000      
Operating Lease, Monthly Payment | $       $ 40,000