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Note 14 - Income Taxes - Reconciliation of Income Tax Rate (Details) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Mar. 31, 2019 | Mar. 31, 2018
Provision for income taxes at the anticipated annual tax rate | (0.70%) | 28.90% | 13.60% | 28.90%
Enactment of tax law changes |  |  |  | (22.80%)
Uncertain tax positions | (0.10%) | 5.40% | 0.60% | 0.70%
Difference between deferred and current tax rate related to the impairment of goodwill |  |  | 6.70% | 12.30%
Other |  |  |  |
Tax impact related to share based compensation | (3.60%) | 1.60% | (0.90%) | (0.50%)
Effective tax rate | (4.40%) | 35.90% | 20.00% | 18.60%

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