Reportable Segments (Tables)

6 Months Ended

Mar. 31, 2024

Segment Reporting [Abstract]

Schedule of Reportable Segments Information

Information concerning our reportable segments is as follows, in thousands:

	Three Months Ended March 31,						Six Months Ended March 31,
	2024			2023			2024			2023
Net Revenues:
Semiconductor	$	17,441		$	22,047		$	34,968		$	38,934
Material and Substrate		7,992			11,263			15,385			15,934
	$	25,433		$	33,310		$	50,353		$	54,868
Operating income (loss):
Semiconductor	$	896		$	2,950		$	1,977		$	3,819
Material and Substrate		900			297			(6,943	)		930
Non-segment related		(433	)		(2,728	)		(2,605	)		(6,910	)
	$	1,363		$	519		$	(7,571	)	$	(2,161	)

	March 31, 2024		September 30, 2023
Identifiable Assets:
Semiconductor	$	63,986	$	72,466
Material and Substrate		50,579		61,576
Non-segment related*		1,909		2,979
	$	116,474	$	137,021

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