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Note 4 - Earnings Per Common Share (Tables) | 3 Months Ended
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Sep. 30, 2015
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended |
|  | September 30 |
|  | 2015 |  |  | 2014 |
BASIC EARNINGS PER SHARE |  |  |  |  |  |  |  |
Net income |  | $ | 3,750 |  |  | $ | 1,527 |
Weighted average shares outstanding, net of treasury shares (a) |  |  | 24,501 |  |  |  | 24,122 |
Weighted average vested restricted stock units outstanding |  |  | 27 |  |  |  | -- |
Weighted average shares outstanding in the Deferred Compensation Plan |  |  | 236 |  |  |  | 314 |
Weighted average shares outstanding |  |  | 24,764 |  |  |  | 24,436 |
Basic earnings per share |  | $ | 0.15 |  |  | $ | 0.06 |
DILUTED EARNINGS PER SHARE |  |  |  |  |  |  |  |
Net income |  | $ | 3,750 |  |  | $ | 1,527 |
Weighted average shares outstanding |  |  |  |  |  |  |  |
Basic |  |  | 24,764 |  |  |  | 24,436 |
Effect of dilutive securities (b): |  |  |  |  |  |  |  |
Impact of common shares to be issued under stock option plans, and contingently issuable shares, if any |  |  | 430 |  |  |  | 72 |
Weighted average shares outstanding (c) |  |  | 25,194 |  |  |  | 24,508 |
Diluted earnings per share |  | $ | 0.15 |  |  | $ | 0.06 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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