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Balance Sheet Components (Tables)

3 Months Ended

Sep. 30, 2025

Balance Sheet Related Disclosures [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable

Accounts receivable, net:

			September 30, 2025						June 30, 2025
			(in thousands)
Accounts receivable			$	75,851					$	75,604
Less: Allowance for price adjustments			(38,722)						(40,802)
Less: Allowance for credit losses			(30)						(30)
Accounts receivable, net			$	37,099					$	34,772

Schedule of Inventory, Current

Inventories:

			September 30, 2025						June 30, 2025
			(in thousands)
Raw materials			$	80,522					$	81,341
Work-in-process			96,373						91,591
Finished goods			19,261						16,745
			$	196,156					$	189,677

Other Current Assets

Other current assets:

			September 30, 2025						June 30, 2025
			(in thousands)
Value-added tax receivable			$	454					$	339
Other prepaid expenses			2,154						2,383
Prepaid insurance			3,992						3,669
Prepaid maintenance			1,904						1,990
Deposit with supplier			5,521						7,073
Prepaid income tax			826						336
Interest receivable			234						191
Short term deposit			971						534
Other receivables			1,633						1,700
			$	17,689					$	18,215

Property, Plant and Equipment

Property, plant and equipment, net:

			September 30, 2025						June 30, 2025
			(in thousands)
Land			$	4,877					$	4,877
Building and building improvements			72,029						71,961
Manufacturing machinery and equipment			451,443						442,462
Equipment and tooling			38,551						37,918
Computer equipment and software			53,528						53,509
Office furniture and equipment			3,255						3,267
Leasehold improvements			43,857						43,901
			667,540						657,895
Less: accumulated depreciation and amortization			(384,135)						(371,836)
			283,405						286,059
Equipment and construction in progress			26,272						28,038
Property, plant and equipment, net			$	309,677					$	314,097

Intangible Assets Disclosure

Intangible assets, net:

			September 30, 2025						June 30, 2025
			(in thousands)
Patents and technology rights			$	18,037					$	18,037
Software license			1,181						—
Trade name			268						268
Customer relationships			1,150						1,150
			20,636						19,455
Less: accumulated amortization			(19,525)						(19,455)
			1,111						—
Goodwill			269						269
Intangible assets, net			$	1,380					$	269

Schedule Future Amortization Expense of Intangible Assets

uture amortization expense of intangible assets is as follows (in thousands):

Year ending June 30,
2026 (Remaining)			$	295
2027			406
2028			406
2029			4
			$	1,111

Schedule of Other Assets, Noncurrent

Other long-term assets:

			September 30, 2025						June 30, 2025
			(in thousands)
Prepayments for property and equipment			$	1,844					$	1,973
Customs deposit			824						814
Deposit with supplier			18,080						18,080
Office leases deposits			971						1,358
Other			471						541
			$	22,190					$	22,766

Schedule of Accrued Liabilities

Accrued liabilities:

			September 30, 2025						June 30, 2025
			(in thousands)
Accrued compensation and benefits			$	22,999					$	17,766
Warranty accrual			2,082						2,118
Stock rotation accrual			5,659						6,184
Accrued professional fees			3,315						3,399
Accrued inventory			465						1,465
Accrued facilities related expenses			2,793						2,184
Accrued property, plant and equipment			2,839						2,704
Other accrued expenses			4,871						4,755
Customer deposits			19,625						17,030
ESPP payable			3,528						1,422
			$	68,176					$	59,027

Schedule of Product Warranty Liability

The activities in the warranty accrual, included in accrued liabilities, are as follows:

			Three Months Ended September 30,
			2025						2024
			(in thousands)
Beginning balance			$	2,118					$	2,407
Additions			163						341
Released			—						(700)
Utilization			(199)						(200)
Ending balance			$	2,082					$	1,848

Stock Rotation Accrual

The activities in the stock rotation accrual, included in accrued liabilities, are as follows:

			Three Months Ended September 30,
			2025						2024
			(in thousands)
Beginning balance			$	6,184					$	4,660
Additions			3,598						2,251
Utilization			(4,123)						(2,459)
Ending balance			$	5,659					$	4,452

Other Long-Term Liabilities

Other long-term liabilities:

			September 30, 2025						June 30, 2025
			(in thousands)
Customer deposits			$	2,000					$	7,000
Other			504						—
Other long-term liabilities			$	2,504					$	7,000

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