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Income Taxes - Income Tax Schedules (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2017 | Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2018
U.S. federal taxes: |  |  |  |
Current |  | $ (1,673) | $ (57) | $ 55
Deferred |  | 22 | (510) | (1,943)
Non-U.S. taxes: |  |  |  |
Current |  | 1,940 | 1,765 | 2,898
Deferred |  | 58 | 55 | (298)
State taxes, net of federal benefit: |  |  |  |
Current |  | 1 | 3 | (4)
Total provision for income taxes |  | $ 348 | $ 1,256 | $ 708
Effective income tax rate reconciliation |  |  |  |
United States statutory rate | 34.00% | 21.00% | 21.00% | 28.10%
Stock-based compensation |  | 0.00% | 0.10% | (1.40%)
Foreign taxes, net |  | (36.10%) | (40.90%) | 39.50%
Research and development credit |  | 8.00% | 11.70% | (17.10%)
Non-deductible expenses |  | (1.00%) | (2.70%) | 7.00%
U.S. Tax Act deferred tax re-measurement |  | 6.20% | 0.00% | (44.00%)
Other |  | 0.00% | 1.40% | 0.40%
Effective income tax rate |  | (1.90%) | (9.40%) | 12.50%
Domestic and foreign components of income (loss) before taxes |  |  |  |
U.S. operations |  | $ 3,549 | $ 4,100 | $ 4,219
Non-U.S. operations |  | (21,458) | (17,482) | 1,437
Loss before income taxes |  | (17,909) | (13,382) | 5,656
Deferred tax assets: |  |  |  |
Accrued compensation |  | 1,954 | 1,428 |
Net operating loss carryforwards |  | 19,870 | 16,782 |
Depreciation |  | 8,149 | 10,036 |
Tax credits |  | 13,909 | 10,882 |
Operating lease liabilities |  | 6,649 | 0 |
Capitalized intangible assets |  | 10,367 | 11,981 |
Accruals and reserves |  | 1,832 | 1,000 |
Total deferred tax assets |  | 62,730 | 52,109 |
Valuation allowance |  | (37,827) | (35,420) |
Total deferred tax assets, net of valuation allowance |  | 24,903 | 16,689 |
Deferred tax liabilities: |  |  |  |
Depreciation and amortization |  | (14,097) | (12,243) |
Right of use assets |  | (6,453) | 0 |
Accruals and reserves |  | (83) | (90) |
Total deferred tax liabilities |  | (20,633) | (12,333) |
Net deferred tax assets |  | 4,270 | 4,356 |
Current and non-current deferred tax assets and liabilities |  |  |  |
Long-term deferred tax assets |  | 4,766 | 4,822 |
Long-term deferred tax liabilities |  | (496) | (466) |
Net deferred tax assets |  | 4,270 | 4,356 |
Unrecognized tax benefits rollforward |  |  |  |
Balance at beginning of year | $ 6,589 | 7,150 | 7,143 | 6,589
Additions based on tax positions related to the current year |  | 333 | 417 | 721
Reductions based on tax positions related to prior years |  | (114) | (271) | (11)
Reductions due to lapse of applicable statute of limitations |  | (243) | (139) | (156)
Balance at end of year |  | $ 7,126 | $ 7,150 | $ 7,143

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