Annual report pursuant to Section 13 and 15(d)

Goodwill - Additional Information (Details)

v3.22.2.2
Goodwill - Additional Information (Details) - USD ($)
12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Mar. 03, 2021
Goodwill [Line Items]      
Goodwill $ 11,168,000 $ 11,168,000  
Intersurface Dynamics, Inc.      
Goodwill [Line Items]      
Goodwill     $ 4,500,000
Semiconductor      
Goodwill [Line Items]      
Impairment of goodwill 0    
Goodwill 5,905,000 5,905,000  
Material and Substrate      
Goodwill [Line Items]      
Impairment of goodwill 0    
Goodwill $ 5,263,000 $ 5,263,000  
Material and Substrate | Intersurface Dynamics, Inc.      
Goodwill [Line Items]      
Goodwill     $ 4,500,000