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Note 9 - Equity Compensation (Tables) | 12 Months Ended
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Jun. 30, 2019
Notes Tables |
Stock Warrants, Valuation Assumptions [Table Text Block] |
|  | February 21, |
|  | 2017 |
Dividend yield |  |  | 2.01 | %
Expected volatility |  |  | 39 | %
Risk-free interest rate |  |  | 1.80 | %
Expected life (in years) |  |  | 4.5 |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
|  | 2019 |  |  | 2018 |
Dividend yield |  |  | 4.6 | % |  |  | 3.3 | %
Expected volatility |  |  | 42 | % |  |  | 41 | %
Risk-free interest rate |  |  | 2.8 | % |  |  | 1.8 | %
Expected life (in years) |  |  | 4.9 |  |  |  | 6.0 |
Share-based Payment Arrangement, Option, Activity [Table Text Block] |
|  | June 30, 201 9 |
|  |  |  |  |  |  |  |  | Weighted |  |  |  |
|  |  |  |  |  | Weighted |  | Average |  |  |  |
|  |  |  |  |  | Average |  | Remaining |  | Aggregate |
|  |  |  |  |  | Exercise |  | Contractual Term |  | Intrinsic |
|  | Shares |  |  | Price |  | (in years) |  | Value |
Outstanding at 6/30/18 |  |  | 3,298,677 |  |  | $ | 8.06 |  | 7.0 |  | $ | 8,037 |
Granted |  |  | 972,900 |  |  | $ | 4.57 |  |  |  |  |  |
Exercised |  |  | -- |  |  | $ | -- |  |  |  |  |  |
Forfeited |  |  | (1,406,548 | ) |  | $ | 7.21 |  |  |  |  |  |
Expired |  |  | (115,403 | ) |  | $ | 9.12 |  |  |  |  |  |
Outstanding at 6/30/19 |  |  | 2,749,626 |  |  | $ | 7.23 |  | 6.8 |  | $ | 23,500 |
Exercisable at 6/30/19 |  |  | 1,733,471 |  |  | $ | 8.33 |  | 5.6 |  | $ | -- |
|  | Ended June 30, 2018 |
|  |  |  |  |  |  |  |  | Weighted |  |  |  |
|  |  |  |  |  | Weighted |  | Average |  |  |  |
|  |  |  |  |  | Average |  | Remaining |  | Aggregate |
|  |  |  |  |  | Exercise |  | Contractual Term |  | Intrinsic |
|  | Shares |  |  | Price |  | (in years) |  | Value |
Outstanding at 6/30/17 |  |  | 3,119,688 |  |  | $ | 9.12 |  | 7.4 |  | $ | 2,332,324 |
Granted |  |  | 794,537 |  |  | $ | 5.98 |  |  |  |  |  |
Exercised |  |  | (42,939 | ) |  | $ | 6.66 |  |  |  |  |  |
Forfeited |  |  | (467,609 | ) |  | $ | 9.11 |  |  |  |  |  |
Expired |  |  | (105,000 | ) |  | $ | 19.62 |  |  |  |  |  |
Outstanding at 6/30/18 |  |  | 3,298,677 |  |  | $ | 8.06 |  | 7.0 |  | $ | 8,037 |
Exercisable at 6/30/18 |  |  | 1,824,552 |  |  | $ | 8.22 |  | 5.8 |  | $ | 39,011 |
Schedule of Nonvested Share Activity [Table Text Block] |
|  |  |  |  |  | Weighted-Average |
|  |  |  |  |  | Grant Date |
|  | Shares |  |  | Fair Value |
Unvested at June 30, 2018 |  |  | 1,474,125 |  |  | $ | 2.65 |
Granted |  |  | 972,900 |  |  | $ | 1.48 |
Vested |  |  | (786,536 | ) |  | $ | 2.91 |
Forfeited |  |  | (644,334 | ) |  | $ | 1.93 |
Unvested at June 30, 2019 |  |  | 1,016,155 |  |  | $ | 1.79 |
Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] |
|  |  |  |  |  | Weighted-Average |
|  |  |  |  |  | Grant Date |
|  | Shares |  |  | Fair Value |
Unvested at June 30, 2018 |  |  | 169,397 |  |  | $ | 8.03 |
Granted |  |  | -- |  |  | $ | -- |
Vested |  |  | (113,523 | ) |  | $ | 8.14 |
Forfeited |  |  | (22,832 | ) |  | $ | 7.91 |
Unvested at June 30, 2019 |  |  | 33,042 |  |  | $ | 7.72 |
Share-based Payment Arrangement, Performance Stock Units, Activity [Table Text Block] |
|  |  |  |  |  | Weighted-Average |
|  |  |  |  |  | Grant Date |
|  | Shares |  |  | Fair Value |
Unvested at June 30, 2018 |  |  | -- |  |  | $ | -- |
Granted |  |  | 134,350 |  |  | $ | 4.94 |
Vested |  |  | -- |  |  | $ | -- |
Forfeited |  |  | (77,800 | ) |  | $ | 4.94 |
Unvested at June 30, 2019 |  |  | 56,550 |  |  | $ | 4.94 |

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