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Balance Sheet Components (Tables)

3 Months Ended

Sep. 30, 2024

Balance Sheet Related Disclosures [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable

Accounts receivable, net:

			September 30, 2024						June 30, 2024
			(in thousands)
Accounts receivable			$	66,905					$	54,265
Less: Allowance for price adjustments			(42,284)						(41,689)
Less: Allowance for doubtful accounts			(30)						(30)
Accounts receivable, net			$	24,591					$	12,546

Schedule of Inventory, Current

Inventories:

			September 30, 2024						June 30, 2024
			(in thousands)
Raw materials			$	77,872					$	78,064
Work-in-process			84,039						87,898
Finished goods			23,057						29,788
			$	184,968					$	195,750

Other Current Assets

Other current assets:

			September 30, 2024						June 30, 2024
			(in thousands)
Value-added tax receivable			$	369					$	304
Other prepaid expenses			1,593						1,822
Prepaid insurance			4,142						4,623
Prepaid maintenance			2,113						2,195
Prepayment to supplier			1,586						1,301
Prepaid income tax			823						819
Interest receivable			399						383
Short term deposit			187						21
Other receivables			2,694						2,697
			$	13,906					$	14,165

Property, Plant and Equipment

Property, plant and equipment, net:

			September 30, 2024						June 30, 2024
			(in thousands)
Land			$	4,877					$	4,877
Building and building improvements			71,605						71,266
Manufacturing machinery and equipment			425,108						423,960
Equipment and tooling			35,547						36,203
Computer equipment and software			53,638						53,081
Office furniture and equipment			3,271						3,193
Leasehold improvements			42,686						41,671
			636,732						634,251
Less: accumulated depreciation and amortization			(332,505)						(320,751)
			304,227						313,500
Equipment and construction in progress			23,385						23,119
Property, plant and equipment, net			$	327,612					$	336,619

Intangible Assets Disclosure

Intangible assets, net:

			September 30, 2024						June 30, 2024
			(in thousands)
Patents and technology rights			$	18,037					$	18,037
Trade name			268						268
Customer relationships			1,150						1,150
			19,455						19,455
Less: accumulated amortization			(17,020)						(16,208)
			2,435						3,247
Goodwill			269						269
Intangible assets, net			$	2,704					$	3,516

Schedule Future Amortization Expense of Intangible Assets

Estimated future minimum amortization expense of intangible assets is as follows (in thousands):

Year ending June 30,
2025 (Remaining)			$	2,435

Schedule of Other Assets, Noncurrent

Other long-term assets:

			September 30, 2024						June 30, 2024
			(in thousands)
Prepayments for property and equipment			$	432					$	620
Investment in a privately held company			—						100
Customs deposit			652						652
Deposit with supplier			21,977						22,117
Other long-term deposits			29						37
Office leases deposits			1,387						1,418
Other			435						295
			$	24,912					$	25,239

Schedule of Accrued Liabilities

Accrued liabilities:

			September 30, 2024						June 30, 2024
			(in thousands)
Accrued compensation and benefits			$	20,063					$	14,945
Warranty accrual			1,848						2,407
Stock rotation accrual			4,452						4,660
Accrued professional fees			2,532						3,198
Accrued inventory			910						728
Accrued facilities related expenses			2,306						2,137
Accrued property, plant and equipment			6,101						6,986
Other accrued expenses			4,406						3,822
Customer deposits			25,635						32,182
ESPP payable			3,184						1,306
			$	71,437					$	72,371

Schedule of Product Warranty Liability

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

			Three Months Ended September 30,
			2024						2023
			(in thousands)
Beginning balance			$	2,407					$	1,674
Additions			(359)						497
Utilization			(200)						(165)
Ending balance			$	1,848					$	2,006

Stock Rotation Accrual

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

			Three Months Ended September 30,
			2024						2023
			(in thousands)
Beginning balance			$	4,660					$	5,588
Additions			2,251						3,008
Utilization			(2,459)						(3,001)
Ending balance			$	4,452					$	5,595

Other Long-Term Liabilities

Other long-term liabilities:

			September 30, 2024						June 30, 2024
			(in thousands)
Customer deposits			$	14,661					$	19,661
Other long-term liabilities			$	14,661					$	19,661

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