Goodwill and Intangible Assets (Tables)

9 Months Ended

Jun. 30, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets

The Company’s intangible assets, net consists of the following, in thousands:

		June 30,			September 30,
	Amortization Period	2025			2024
Backlog	1 year	$	2,100		$	2,100
Customer relationships	6-10 years		4,409			4,409
Developed technology	1.75 years		6,700			6,700
Noncompetition agreements	5 years		200			200
Trade names	3-15 years		2,679			2,679
			16,088			16,088
Accumulated amortization			(5,916	)		(5,616	)
Less asset impairments:
Backlog			(425	)		(425	)
Customer relationships			(2,111	)		(339	)
Developed technology			(5,494	)		(5,494	)
Noncompetition agreements			(160	)		(160	)
Trade names			(847	)		(50	)
Intangible assets, net		$	1,135		$	4,004

Schedule of Future Amortization Expense

The estimated aggregate amortization expense for each of the five succeeding fiscal years as of June 30, 2025 is as follows, in thousands:

Year ending September 30:	Amount
2025	$	44
2026		177
2027		177
2028		177
2029		177
Thereafter		383
Total	$	1,135

Schedule of Goodwill

The Company evaluates goodwill at the reporting unit level, which, for the Company, is at the level of the reportable segments, Thermal Processing Solutions and Semiconductor Fabrication Solutions. The changes in carrying amount of goodwill allocated to each of the reporting units for the nine months ended June 30, 2025 is as follows, in thousands:

	Thermal Processing Solutions			Semiconductor Fabrication Solutions			Total Goodwill
Goodwill	$	5,905		$	21,726		$	27,631
Accumulated impairment losses		—			(6,370	)		(6,370	)
Balance at September 30, 2024		5,905			15,356			21,261
Goodwill acquired		—			—			—
Impairment of goodwill		(4,997	)		(15,356	)		(20,353	)
Balance at June 30, 2025	$	908		$	—		$	908
Goodwill	$	5,905		$	15,356		$	21,261
Accumulated impairment losses		(4,997	)		(15,356	)		(20,353	)
Balance at June 30, 2025	$	908		$	—		$	908