Annual report pursuant to Section 13 and 15(d)

Note 9 - Leases (Details Textual)

v3.23.3
Note 9 - Leases (Details Textual)
12 Months Ended
Apr. 01, 2024
EUR (€)
May 11, 2023
EUR (€)
Jul. 31, 2021
USD ($)
ft²
Sep. 30, 2023
USD ($)
ft²
Sep. 30, 2022
USD ($)
Sep. 30, 2021
USD ($)
Nov. 19, 2021
ft²
Jan. 01, 2015
Operating Lease, Weighted Average Remaining Lease Term       5 years 1 month 28 days 4 years 14 days 3 years 1 month 2 days    
Operating Lease, Weighted Average Discount Rate, Percent       3.59% 3.22% 3.41%    
Operating Lease, Payments | $       $ 3,954,000 $ 2,064,000 $ 1,290,000    
Tabasalu, Estonia [Member]                
Area of Real Estate Property       49,000        
Operating Lease, Monthly Payment | €   € 20,400            
Tabasalu, Estonia [Member] | Forecast [Member]                
Operating Lease, Monthly Payment | € € 25,000              
Tabasalu, Estonia [Member] | Minimum [Member]                
Lessee, Operating Lease, Term of Contract (Year)   60 months            
Operating Lease, Payments, Annual Increase, Percentage   5.00%            
7050 Winnetka Avenue North, Brooklyn Park, Minnesota [Member]                
Area of Real Estate Property       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, Lease Not yet Commenced, Term of Contract     7 years          
Lessee, Operating Lease, Number of Options to Renew     2          
Lessee, Operating Lease, Lease Not yet Commenced, Renewal Term     5 years          
Operating Lease, Monthly Payment | $     $ 162,000          
Operating Lease, Payments, Annual Increase, Percentage     2.00%          
Tijuana, Mexico 3 [Member] | Lease Mandatory Contractual Term [Member]                
Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract     5 years          
Brooklyn Part, MN [Member]                
Area of Real Estate Property             105,000  
Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract             5 years  
Lessee, Operating Lease, Lease Not yet Commenced, Renewal Term             5 years  
Oulu, Finland [Member]                
Area of Real Estate Property       25,000        
Operating Lease, Monthly Payment | $       $ 40,000