Quarterly report pursuant to Section 13 or 15(d)

Reportable Segment Information - Schedule of Reportable Segment Information (Details)

v3.22.0.1
Reportable Segment Information - Schedule of Reportable Segment Information (Details) - USD ($)
$ in Thousands
 3 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Sep. 30, 2021
Segment Reporting Information [Line Items]      
Net Revenues $ 27,329 $ 17,975  
Operating income (loss) 1,240 1,054  
Identifiable Assets 120,395   $ 116,913
Operating Segments | Semiconductor      
Segment Reporting Information [Line Items]      
Net Revenues 23,631 15,575  
Operating income (loss) 2,357 2,197  
Identifiable Assets 77,718   70,631
Operating Segments | Material and Substrate      
Segment Reporting Information [Line Items]      
Net Revenues 3,698 2,400  
Operating income (loss) 181 (66)  
Identifiable Assets 19,142   19,541
Non-Segment Related      
Segment Reporting Information [Line Items]      
Operating income (loss) (1,298) $ (1,077)  
Identifiable Assets [1] $ 23,535   $ 26,741
[1]

* Non-segment related assets include cash, property, and other assets.