v3.26.1
Balance Sheet Components (Tables)
 12 Months Ended
Jun. 30, 2026
Balance Sheet Related Disclosures [Abstract]  
Schedule of Accounts, Notes, Loans and Financing Receivable
Accounts receivable, net
June 30,  
20262025
(in thousands)
Accounts receivable$81,527 $75,604 
Less: Allowance for price adjustments(38,699)(40,802)
Less: Allowance for credit losses(30)(30)
Accounts receivable, net$42,798 $34,772 
Schedule of Inventory, Current
Inventories
June 30,
20262025
(in thousands)
Raw materials$75,764 $81,341 
Work in-process95,528 91,591 
Finished goods30,092 16,745 
$201,384 $189,677 
Schedule of Other Current Assets
Other current assets
June 30,
20262025
(in thousands)
Value-added tax receivable$397 $339 
Other prepaid expenses1,820 2,383 
Prepaid insurance4,301 3,669 
Prepaid maintenance1,636 1,990 
Deposit with supplier786 7,073 
Prepaid income tax780 336 
Interest receivable195 191 
Short term deposit356 534 
Other receivables2,040 1,700 
$12,311 $18,215 
Property, Plant, and Equipment
Depreciation is provided for on a straight-line basis over the estimated useful lives of the related assets as follows:

 
Building and building improvements
20 years
Manufacturing machinery and equipment
7 to 10 years
Equipment and tooling
3 to 5 years
Computer hardware and software
3 to 5 years
Office furniture and equipment
3 to 5 years
Leasehold improvements
2 to 15 years
Vehicle
5 years
Property, plant and equipment, net
June 30,  
20262025
(in thousands)
Land$4,877 $4,877 
Building and building improvements73,292 71,961 
Manufacturing machinery and equipment472,841 442,462 
Equipment and tooling40,960 37,918 
Computer equipment and software54,238 53,509 
Office furniture and equipment3,642 3,267 
Leasehold improvements43,967 43,901 
693,817 657,895 
Less: accumulated depreciation and amortization(421,809)(371,836)
272,008 286,059 
Equipment and construction in progress42,663 28,038 
Property, plant and equipment, net$314,671 $314,097 
Schedule of Other Assets, Noncurrent
Other long-term assets
June 30,  
20262025
(in thousands)
Prepayments for property and equipment$440 $1,973 
Customs deposit 703 814 
Deposit with supplier22,857 18,080 
Long-term loan receivable
9,677 — 
Office leases deposits1,161 1,358 
Other1,222 541 
$36,060 $22,766 
Intangible Asset, Finite-Lived
Intangible assets, net
June 30,  
20262025
(in thousands)
Patents and technology rights$18,037 $18,037 
Software license1,485 — 
Trade name268 268 
Customer relationships1,150 1,150 
20,940 19,455 
Less: accumulated amortization(19,862)(19,455)
1,078 — 
Goodwill269 269 
Intangible assets, net$1,347 $269 
Schedule of Accrued Liabilities
Accrued liabilities
June 30,  
20262025
(in thousands)
Accrued compensation and benefits$20,925 $17,766 
Warranty accrual2,090 2,118 
Stock rotation accrual6,937 6,184 
Accrued professional fees3,219 3,399 
Accrued inventory2,071 1,465 
Accrued facilities related expenses2,419 2,184 
Accrued property, plant and equipment2,598 2,704 
Other accrued expenses6,093 4,755 
Customer deposits9,769 17,030 
ESPP payable1,556 1,422 
$57,677 $59,027 

Short-term customer deposits are payments received from customers for securing future product shipments. As of June 30, 2026, $5.0 million were from Customer A and $5.0 million were from other customers. As of June 30, 2025, $7.0 million were from Customer A, $2.0 million were from Customer B, and $8.0 million were from other customers.
Schedule of Product Warranty Liability
The activity in the warranty accrual, included in accrued liabilities is as follows:
Year Ended June 30,
202620252024
(in thousands)
Beginning balance$2,118 $2,407 $1,674 
Addition1,793 1,096 1,186 
Released— (700)— 
Utilization(1,821)(685)(453)
Ending balance$2,090 $2,118 $2,407 
Stock Rotation Accrual The activity in the stock rotation accrual, included in accrued liabilities is as follows:
Year Ended June 30,
202620252024
(in thousands)
Beginning balance$6,184 $4,660 $5,588 
Addition16,804 12,834 11,044 
Utilization(16,051)(11,310)(11,972)
Ending balance$6,937 $6,184 $4,660 
Schedule of Other Long-Term Liabilities
Other long-term liabilities
June 30,  
20262025
(in thousands)
Customer deposits
$3,457 $7,000 
Other606 — 
Other long-term liabilities$4,063 $7,000