Annual report pursuant to Section 13 and 15(d)

Note 1 - Summary of Significant Accounting Policies - Estimated Useful Lives of Assets (Details)

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Note 1 - Summary of Significant Accounting Policies - Estimated Useful Lives of Assets (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Sep. 30, 2022
Fixed Assets $ 37,140 $ 29,647
Less accumulated depreciation 15,613 11,418
Property, plant and equipment, net $ 21,527 18,229
Equipment [Member] | Minimum [Member]    
Property, Plant and Equipment, Useful Life (Year) 3 years  
Property, plant and equipment useful life (Year) 3 years  
Equipment [Member] | Maximum [Member]    
Property, Plant and Equipment, Useful Life (Year) 15 years  
Property, plant and equipment useful life (Year) 15 years  
Machinery and Equipment [Member]    
Fixed Assets $ 23,580 18,418
Office Equipment [Member]    
Fixed Assets 4,560 4,174
Leasehold Improvements [Member]    
Fixed Assets $ 6,107 5,000
Vehicles [Member]    
Property, Plant and Equipment, Useful Life (Year) 3 years  
Fixed Assets $ 446 340
Property, plant and equipment useful life (Year) 3 years  
Construction in Progress [Member]    
Fixed Assets $ 2,447 $ 1,715