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Balance Sheet Components (Tables) | 9 Months Ended
--- | ---
Mar. 31, 2018
Balance Sheet Related Disclosures [Abstract] |
Schedule of Accounts, Notes, Loans and Financing Receivable | Accounts receivable, net:
| March 31, 2018 |  | June 30, 2017
| (in thousands)
Accounts receivable | $ | 49,607 |  |  | $ | 48,039 |
Less: Allowance for price adjustments | (20,650 | ) |  | (19,599 | )
Less: Allowance for doubtful accounts | (30 | ) |  | (30 | )
Accounts receivable, net | $ | 28,927 |  |  | $ | 28,410 |
Schedule of Inventory, Current | Inventories:
| March 31, 2018 |  | June 30, 2017
| (in thousands)
Raw materials | $ | 45,295 |  |  | $ | 32,118 |
Work in-process | 36,252 |  |  | 36,081 |
Finished goods | 8,925 |  |  | 8,055 |
| $ | 90,472 |  |  | $ | 76,254 |
Other Current Assets | Other current assets:
| March 31, 2018 |  | June 30, 2017
| (in thousands)
VAT receivable | $ | 12,979 |  |  | $ | 591 |
Other prepaid expenses | 2,438 |  |  | 2,171 |
Prepayment to supplier | 611 |  |  | 148 |
Prepaid income tax | 536 |  |  | 1,356 |
Other receivable | 551 |  |  | 617 |
| $ | 17,115 |  |  | $ | 4,883 |
Property, Plant and Equipment | operty, plant and equipment, net:
| March 31, 2018 |  | June 30, 2017
| (in thousands)
Land | $ | 4,877 |  |  | $ | 4,877 |
Building | 4,325 |  |  | 4,325 |
Manufacturing machinery and equipment | 250,341 |  |  | 215,275 |
Equipment and tooling | 15,098 |  |  | 13,549 |
Computer equipment and software | 25,310 |  |  | 24,346 |
Office furniture and equipment | 2,150 |  |  | 1,935 |
Leasehold improvements | 29,740 |  |  | 29,136 |
Land use rights | 9,566 |  |  | 8,849 |
| 341,407 |  |  | 302,292 |
Less: accumulated depreciation | (222,568 | ) |  | (194,882 | )
| 118,839 |  |  | 107,410 |
Equipment and construction in progress | 139,956 |  |  | 40,781 |
Property, plant and equipment, net | $ | 258,795 |  |  | $ | 148,191 |
Intangible Assets Disclosure | Intangible assets, net:
| March 31, 2018 |  | June 30, 2017
| (in thousands)
License fees | $ | 17,633 |  |  | $ | 1,248 |
Trade name | 268 |  |  | 268 |
Customer relationships | 1,150 |  |  | 1,150 |
| 19,051 |  |  | 2,666 |
Less: accumulated amortization | (2,701 | ) |  | (2,653 | )
| 16,350 |  |  | 13 |
Goodwill | 269 |  |  | 269 |
Intangible assets, net | $ | 16,619 |  |  | $ | 282 |
Schedule of Other Assets, Noncurrent | Other long-term assets:
| March 31, 2018 |  | June 30, 2017
| (in thousands)
Prepayments for property and equipment | $ | 47,523 |  |  | $ | 12,964 |
Investment in a privately held company | 700 |  |  | 700 |
Prepaid income tax | — |  |  | 4,377 |
Long-term deposits | 4,246 |  |  | 1,608 |
Other | 361 |  |  | 216 |
| $ | 52,830 |  |  | $ | 19,865 |
Schedule of Accrued Liabilities | Accrued liabilities:
| March 31, 2018 |  | June 30, 2017
| (in thousands)
Accrued compensation and benefits | $ | 13,878 |  |  | $ | 13,727 |
Warranty accrual | 611 |  |  | 1,866 |
Stock rotation accrual | 1,774 |  |  | 1,871 |
Accrued professional fees | 1,903 |  |  | 2,500 |
Accrued inventory | 703 |  |  | 410 |
Accrued facilities related expenses | 1,824 |  |  | 1,501 |
Accrued property, plant and equipment | 33,755 |  |  | 2,241 |
Other accrued expenses | 7,169 |  |  | 4,270 |
| $ | 61,617 |  |  | $ | 28,386 |
Schedule of Product Warranty Liability | The activities in the warranty accrual, included in accrued liabilities, are as follows
| Nine Months Ended March 31,
| 2018 |  | 2017
| (in thousands)
Beginning balance | $ | 1,866 |  |  | $ | 1,495 |
Additions (Reductions) | (1,203 | ) | * | 898 |
Utilization | (52 | ) |  | (521 | )
Ending balance | $ | 611 |  |  | $ | 1,872 |
* Released a specific warranty reserve of approximately $1.0 million as the warranty period had expired.
Stock Rotation Accrual | The activities in the stock rotation accrual, included in accrued liabilities, are as follows:
| Nine Months Ended March 31,
| 2018 |  | 2017
| (in thousands)
Beginning balance | $ | 1,871 |  |  | $ | 1,988 |
Additions | 2,147 |  |  | 3,986 |
Utilization | (2,244 | ) |  | (4,262 | )
Ending balance | $ | 1,774 |  |  | $ | 1,712 |

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