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Income Taxes - Income Tax Schedules (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2017 | Jul. 31, 2017
U.S. federal taxes: |  |  |  |
Current | $ (57) | $ 55 | $ 1,043 |
Deferred | (510) | (1,943) | (325) |
Non-U.S. taxes: |  |  |  |
Current | 1,765 | 2,898 | (4,615) |
Deferred | 55 | (298) | 7,548 |
State taxes, net of federal benefit: |  |  |  |
Current | 3 | (4) | 1 |
Total provision for income taxes | $ 1,256 | $ 708 | $ 3,652 |
Effective income tax rate reconciliation |  |  |  |
United States statutory rate | 21.00% | 28.10% | 34.00% |
Stock-based compensation | 0.10% | (1.40%) | (0.40%) |
Foreign taxes, net | (40.90%) | 39.50% | (0.70%) |
Research and development credit | 11.70% | (17.10%) | (4.90%) |
Non-deductible expenses | (2.70%) | 7.00% | 0.20% |
U.S. Tax Act deferred tax re-measurement | 0.00% | (44.00%) | 0.00% |
Other | 1.40% | 0.40% | 0.10% |
Effective income tax rate | (9.40%) | 12.50% | 28.30% |
Domestic and foreign components of income (loss) before taxes |  |  |  |
U.S. operations | $ 4,100 | $ 4,219 | $ 4,016 |
Non-U.S. operations | (17,482) | 1,437 | 8,896 |
Income before income taxes | (13,382) | 5,656 | 12,912 |
Deferred tax assets: |  |  |  |
Accrued compensation | 1,428 | 2,121 |  |
Net operating loss carryforwards | 16,782 | 7,213 |  |
Depreciation | 10,036 | 10,968 |  |
Tax credits | 10,882 | 8,380 |  |
Capitalized intangible assets | 11,981 | 12,942 |  | $ 12,900
Capitalized Costs | 0 | 2,292 |  |
Accruals and reserves | 1,000 | 1,197 |  |
Total deferred tax assets | 52,109 | 45,113 |  |
Valuation allowance | (35,420) | (30,105) |  |
Total deferred tax assets, net of valuation allowance | 16,689 | 15,008 |  |
Deferred tax liabilities: |  |  |  |
Depreciation and amortization | (12,243) | (10,819) |  |
Accruals and reserves | (90) | (10) |  |
Total deferred tax liabilities | (12,333) | (10,829) |  |
Net deferred tax assets | 4,356 | 4,179 |  |
Current and non-current deferred tax assets and liabilities |  |  |  |
Long-term deferred tax assets | 4,822 | 4,892 |  |
Long-term deferred tax liabilities | (466) | (713) |  |
Net deferred tax assets | 4,356 | 4,179 |  |
Unrecognized tax benefits rollforward |  |  |  |
Balance at beginning of year | 7,143 | 6,589 | 6,743 |
Additions based on tax positions related to the current year | 417 | 721 | 401 |
Reductions based on tax positions related to prior years | (271) | (11) | (4) |
Reductions due to lapse of applicable statute of limitations | (139) | (156) | (551) |
Balance at end of year | $ 7,150 | $ 7,143 | $ 6,589 |

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