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Note 10 - Equity Compensation (Tables) | 12 Months Ended
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Jun. 30, 2022
Notes Tables |
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
Stock Options |  |  |  |  |  |  |  |
|  | 2022 |  |  | 2021 |
Dividend yield |  |  | - |  |  |  | 2.9 | %
Expected volatility |  |  | - |  |  |  | 50 | %
Risk-free interest rate |  |  | - |  |  |  | 0.3 | %
Expected life (in years) |  |  | - |  |  |  | 6.0 |
Fair value per share |  |  | - |  |  | $ | 2.40 |
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
|  | Shares |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term (in years) |  |  | Aggregate Intrinsic Value |
Outstanding at June 30, 2021 |  |  | 2,327,148 |  |  | $ | 6.07 |  |  |  | 6.7 |  |  | $ | 5,320,456 |
Granted |  |  | - |  |  | $ | - |  |  |  |  |  |  |  |  |
Exercised |  |  | (4,833 | ) |  | $ | 5.48 |  |  |  |  |  |  |  |  |
Forfeited |  |  | (7,024 | ) |  | $ | 6.80 |  |  |  |  |  |  |  |  |
Expired |  |  | (14,500 | ) |  | $ | 9.27 |  |  |  |  |  |  |  |  |
Outstanding at June 30, 2022 |  |  | 2,300,791 |  |  | $ | 6.05 |  |  |  | 5.7 |  |  | $ | 2,287,764 |
Exercisable at June 30, 2022 |  |  | 1,730,964 |  |  | $ | 6.31 |  |  |  | 5.2 |  |  | $ | 1,608,413 |
Vested and expected to vest at June 30, 2022 |  |  | 2,286,311 |  |  | $ | 6.05 |  |  |  | 5.7 |  |  | $ | 2,282,521 |
Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] |
|  | Shares |  |  | Weighted- Average Grant Date Fair Value |
Unvested at June 30, 2021 |  |  | 200,721 |  |  | $ | 6.42 |
Granted |  |  | 146,281 |  |  | $ | 8.13 |
Vested |  |  | (96,671 | ) |  | $ | 6.26 |
Forfeited |  |  | (3,059 | ) |  | $ | 6.96 |
Unvested at June 30, 2022 |  |  | 247,272 |  |  | $ | 7.48 |
Share-based Payment Arrangement, Performance Stock Units, Activity [Table Text Block] |
|  | Shares |  |  | Weighted- Average Grant Date Fair Value |
Unvested at June 30, 2021 |  |  | 456,887 |  |  | $ | 5.96 |
Granted |  |  | 190,980 |  |  | $ | 8.12 |
Vested |  |  | (27,350 | ) |  | $ | 4.94 |
Forfeited |  |  | (23,950 | ) |  | $ | 7.50 |
Unvested at June 30, 2022 |  |  | 596,567 |  |  | $ | 6.63 |

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