Reportable Segments (Tables)

12 Months Ended

Sep. 30, 2023

Segment Reporting [Abstract]

Schedule of Reportable Segments Information

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

	Years Ended September 30,
	2023			2022			2021
Net revenue:
Semiconductor	$	77,595		$	87,982		$	72,086
Material and Substrate		35,720			18,316			13,119
	$	113,315		$	106,298		$	85,205
Operating income (loss):
Semiconductor	$	6,907		$	20,672		$	8,585
Material and Substrate		(8,765	)		3,728			278
Non-segment related		(13,112	)		(7,114	)		(5,138	)
	$	(14,970	)	$	17,286		$	3,725

	Years Ended September 30,
	2023		2022		2021
Capital expenditures:
Semiconductor	$	345	$	452	$	2,264
Material and Substrate		1,092		411		695
Non-segment related		1,461		272		53
	$	2,898	$	1,135	$	3,012
Depreciation and amortization expense:
Semiconductor	$	886	$	1,101	$	905
Material and Substrate		4,045		565		438
Non-segment related		81		63		55
	$	5,012	$	1,729	$	1,398

	September 30,
	2023		2022
Identifiable assets:
Semiconductor	$	72,466	$	75,622
Material and Substrate		61,576		22,032
Non-segment related*		2,979		35,880
	$	137,021	$	133,534

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