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Note 14 - Share-based Compensation (Details Textual) - USD ($) $ / shares in Units, $ in Thousands | 9 Months Ended | 21 Months Ended
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Mar. 31, 2021
Share-based Payment Arrangement, Expense | $ 1,000 | $ 200 |
Share-based Payment Arrangement, Amount Capitalized | 0 | 0 |
Share-based Payment Arrangement, Option [Member] |  |  |
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total | $ 200 |  | $ 200
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) | 2 years |  |
Restricted Stock Units (RSUs) [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) | 2 years |  |
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total |  | $ 600 |
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) |  | 2 years 3 months 18 days |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) | 38,000 | 57,000 |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value (in dollars per share) | $ 9.58 | $ 9.15 |
Performance Shares [Member] |  |  |
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total | $ 1,000 |  | $ 1,000
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) | 1 year 10 months 24 days |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) | 117,338 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Target Financial Performance | 80.00% |  |
Share-based Compensation Arrangement by Share-based Payment Award, Target Market-based Condition | 20.00% |  |
Share-based Compensation Arrangement by Share-based Payment Award, Target Performance Period (Year) | 3 years |  |
Performance Shares [Member] | Minimum [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Target Award Vesting | 50.00% |  |
Performance Shares [Member] | Maximum [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Target Award Vesting | 125.00% |  |
Share-based Payment Arrangement, Employee [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares) | 0 | 15,000 |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share) |  | $ 18.44 |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) |  | 4 years |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year) |  | 10 years |
Share-based Payment Arrangement, Employee [Member] | Vesting Annually [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage |  | 25.00% |
Share-based Payment Arrangement, Nonemployee [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares) | 37,008 |  | 34,188
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share) | $ 12.97 |  | $ 17.55
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) | 3 years |  |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year) | 10 years |  |
Stock Option Plan 1992 [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares) | 1,317,846 |  | 1,317,846

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