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Balance Sheet Components | 9 Months Ended
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Mar. 31, 2022
Balance Sheet Related Disclosures [Abstract] |
Balance Sheet Components | Balance Sheet Components The Company’s audited consolidated balance sheet at June 30, 2021, as reported, included the JV Company’s assets and liabilities, after intercompany eliminations. However, the JV Company's assets and liabilities were not included in the Company’s unaudited Condensed Consolidated Balance Sheet at March 31, 2022 due to the deconsolidation of the JV Company on December 2, 2021 as discussed in more detail in Note 1 above. Accounts receivable, net:
| March 31, 2022 |  | June 30, 2021
| (in thousands)
Accounts receivable | $ | 52,362 |  |  | $ | 48,234 |
Less: Allowance for price adjustments | (13,125) |  |  | (12,415) |
Less: Allowance for doubtful accounts | (30) |  |  | (30) |
Accounts receivable, net | $ | 39,207 |  |  | $ | 35,789 |
Inventories:
| March 31, 2022 |  | June 30, 2021
| (in thousands)
Raw materials | $ | 54,435 |  |  | $ | 68,900 |
Work in-process | 67,132 |  |  | 68,824 |
Finished goods | 21,971 |  |  | 16,569 |
| $ | 143,538 |  |  | $ | 154,293 |
Other current assets:
| March 31, 2022 |  | June 30, 2021
| (in thousands)
VAT receivable | $ | 550 |  |  | $ | 1,539 |
Other prepaid expenses | 4,098 |  |  | 1,465 |
Prepaid insurance | 1,291 |  |  | 2,615 |
Prepaid maintenance | 774 |  |  | 1,670 |
Prepayment to supplier | 1,295 |  |  | 2,540 |
Prepaid income tax | 3,052 |  |  | 2,221 |
Interest receivable | — |  |  | 2,207 |
Customs deposit | — |  |  | 270 |
Other receivables | 638 |  |  | 68 |
| $ | 11,698 |  |  | $ | 14,595 |
Property, plant and equipment, net:
| March 31, 2022 |  | June 30, 2021
| (in thousands)
Land | $ | 4,877 |  |  | $ | 4,877 |
Building | 15,867 |  |  | 71,454 |
Manufacturing machinery and equipment | 266,135 |  |  | 515,320 |
Equipment and tooling | 26,113 |  |  | 27,017 |
Computer equipment and software | 35,199 |  |  | 41,518 |
Office furniture and equipment | 2,778 |  |  | 3,814 |
Leasehold improvements | 35,226 |  |  | 74,733 |
Land use rights | — |  |  | 9,319 |
| 386,195 |  |  | 748,052 |
Less: accumulated depreciation | (228,437) |  |  | (348,749) |
| 157,758 |  |  | 399,303 |
Equipment and construction in progress | 88,012 |  |  | 37,674 |
Property, plant and equipment, net | $ | 245,770 |  |  | $ | 436,977 |
Intangible assets, net:
| March 31, 2022 |  | June 30, 2021
| (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 | (8,834) |  |  | (6,314) |
| 10,621 |  |  | 13,141 |
Goodwill | 269 |  |  | 269 |
Intangible assets, net | $ | 10,890 |  |  | $ | 13,410 |
Estimated future minimum amortization expense of intangible assets is as follows (in thousands):
Year ending June 30, |
2022 (Remaining) | $ | 840 |
2023 | 3,286 |
2024 | 3,249 |
2025 | 3,246 |
| $ | 10,621 |
Other long-term assets:
| March 31, 2022 |  | June 30, 2021
| (in thousands)
Prepayments for property and equipment | $ | 18,500 |  |  | $ | 14,882 |
Investment in a privately held company | 100 |  |  | 100 |
Customs deposit | 1,824 |  |  | 1,120 |
Deposit with supplier | 6,396 |  |  | — |
Other long-term deposits | 20 |  |  | 927 |
Office leases deposits | 964 |  |  | 1,100 |
Other | 1,661 |  |  | 740 |
| $ | 29,465 |  |  | $ | 18,869 |
Accrued liabilities:
| March 31, 2022 |  | June 30, 2021
| (in thousands)
Accrued compensation and benefits | $ | 25,550 |  |  | $ | 32,756 |
Warranty accrual | 2,483 |  |  | 2,795 |
Stock rotation accrual | 4,207 |  |  | 3,917 |
Accrued professional fees | 3,009 |  |  | 3,017 |
Accrued inventory | 1,150 |  |  | 1,138 |
Accrued facilities related expenses | 2,689 |  |  | 2,536 |
Accrued property, plant and equipment | 8,664 |  |  | 8,688 |
Other accrued expenses | 5,864 |  |  | 6,793 |
Customer deposit | 35,111 |  |  | 7,139 |
ESPP payable | 2,606 |  |  | 715 |
| $ | 91,333 |  |  | $ | 69,494 |
The activities in the warranty accrual, included in accrued liabilities, are as follows:
| Nine Months Ended March 31, |
| 2022 |  | 2021 |
| (in thousands) |
Beginning balance | $ | 2,795 |  |  | $ | 709 |  |
Additions | 949 |  |  | 338 |  |
Utilization | (1,261) |  |  | (211) |  |
Ending balance | $ | 2,483 |  |  | $ | 836 |  |
The activities in the stock rotation accrual, included in accrued liabilities, are as follows:
| Nine Months Ended March 31,
| 2022 |  | 2021
| (in thousands)
Beginning balance | $ | 3,917 |  |  | $ | 3,358 |
Additions | 3,030 |  |  | 4,498 |
Utilization | (2,740) |  |  | (3,771) |
Ending balance | $ | 4,207 |  |  | $ | 4,085 |
Other long-term liabilities:
| March 31, 2022 |  | June 30, 2021
| (in thousands)
Deferred payroll taxes | $ | — |  |  | $ | 1,219 |
Customer deposits | 72,384 |  |  | 42,000 |
Other | — |  |  | 904 |
Other long-term liabilities | $ | 72,384 |  |  | $ | 44,123 |
Customer deposits are payments received from customers for securing future product shipments. As of March 31, 2022, $62.4 million were from Customer A and Customer B, and $10.0 million were from other customers. As of June 30, 2021, $42.0 million were from Customer A and Customer B.

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- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -URI http://asc.fasb.org/topic&trid=2122208 + Details
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