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Note 9 - Stock Based Compensation (Tables) | 12 Months Ended
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Jun. 30, 2021
Notes Tables |
Share-based Payment Arrangement, Option, Activity [Table Text Block] |
|  | Year Ended June 30, |
|  | 2021 |  |  | 2020 |
|  |  |  |  |  |  | Weighted |  |  |  |  |  |  | Weighted |
|  |  | Shares |  |  |  | Average |  |  | Shares |  |  | Average |
|  |  | Under |  |  |  | Exercise |  |  | Under |  |  | Exercise |
|  |  | Options |  |  |  | Price |  |  | Options |  |  | Price |
Outstanding, beginning of year |  |  | 100,000 |  |  | $ | 14.50 |  |  |  | — |  |  | $ | — |
Granted |  |  | — |  |  | $ | — |  |  |  | 100,000 |  |  | $ | 14.50 |
Exercised |  |  | — |  |  | $ | — |  |  |  | — |  |  | $ | — |
Forfeited |  |  | — |  |  | $ | — |  |  |  | — |  |  | $ | — |
Cancelled |  |  | — |  |  | $ | — |  |  |  | — |  |  | $ | — |
Outstanding, end of year |  |  | 100,000 |  |  | $ | 14.50 |  |  |  | 100,000 |  |  | $ | 14.50 |
Aggregate intrinsic value |  | $ | 595,468 |  |  |  |  |  |  | $ | — |  |  |  |  |
Exercisable, end of year |  |  | 50,000 |  |  | $ | — |  |  |  | — |  |  | $ | — |
Aggregate intrinsic value |  | $ | 297,734 |  |  |  |  |  |  | $ | — |  |  |  |  |
Available for grant, end of year |  |  | 260,927 |  |  |  |  |  |  |  | 466,760 |  |  |  |  |
Weighted average fair value of options granted during the year (1) |  | $ | — |  |  |  |  |  |  | $ | 7.42 |  |  |  |  |
Nonvested Restricted Stock Shares Activity [Table Text Block] |
|  | Number of Shares |  |  | Weighted Average Fair Value Per Share |
Nonvested balance at June 30, 2019 |  |  | 456,666 |  |  | $ | 18.34 |
Granted |  |  | 233,000 |  |  | $ | 14.81 |
Vested |  |  | (155,000 | ) |  | $ | 19.50 |
Forfeited |  |  | — |  |  | $ | — |
Nonvested balance at June 30, 2020 |  |  | 534,666 |  |  | $ | 16.47 |
Granted |  |  | 205,833 |  |  | $ | 17.89 |
Vested |  |  | (339,166 | ) |  | $ | 17.58 |
Nonvested balance at June 30, 2021 |  |  | 401,333 |  |  | $ | 16.28 |

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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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