Reportable Segments (Tables)

6 Months Ended

Mar. 31, 2023

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,
	2023			2022			2023			2022
Net Revenues:
Semiconductor	$	22,047		$	23,584		$	38,934		$	46,349
Material and Substrate		11,263			3,972			15,934			7,670
	$	33,310		$	27,556		$	54,868		$	54,019
Operating income (loss):
Semiconductor	$	2,950		$	3,368		$	3,819		$	5,725
Material and Substrate		297			654			930			835
Non-segment related		(2,728	)		(1,427	)		(6,910	)		(2,725	)
	$	519		$	2,595		$	(2,161	)	$	3,835

	March 31, 2023		September 30, 2022
Identifiable Assets:
Semiconductor	$	75,879	$	75,622
Material and Substrate		70,143		22,032
Non-segment related*		4,980		35,880
	$	151,002	$	133,534

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