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Note 3 - Earnings Per Common Share (Details) - Basic and Diluted Earnings Per Share - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 12 Months Ended
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Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2011
BASIC EARNINGS PER SHARE |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (in Dollars) |  | $ 1,643 | $ 393 | $ 1,588 | $ 1,527 | $ (796) | $ (1,009) | $ 870 | $ 1,865 | $ 812 | $ (315) | $ (2,450) | $ 1,830 | $ 5,151 |  | $ 930 |  | $ (123) |  | $ 3,224 | $ 10,828
Weighted average shares outstanding |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average shares |  |  |  |  |  |  |  |  |  |  |  |  |  | 24,496 |  | 24,388 |  | 24,313 |  | 24,298 | 24,287
Effect of dilutive securities (b): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Impact of common shares to be issued under stock option plans, and contingently issuable shares, if any | [1] |  |  |  |  |  |  |  |  |  |  |  |  | 142 |  | 158 |  |  |  |  |
Weighted average shares outstanding (c) |  |  |  |  |  |  |  |  |  |  |  |  |  | 24,638 | [2] | 24,546 | [2] | 24,313 | [2] | 24,352 | 24,339
Diluted earnings (loss) per share (in Dollars per share) |  | $ 0.07 | $ 0.02 | $ 0.06 | $ 0.06 | $ (0.03) | $ (0.04) | $ 0.04 | $ 0.08 | $ 0.03 | $ (0.01) | $ (0.10) | $ 0.08 | $ 0.21 |  | $ 0.04 |  | $ (0.01) |  | $ 0.13 | $ 0.44
Basic earnings (loss) per share (in Dollars per share) |  | $ 0.07 | $ 0.02 | $ 0.06 | $ 0.06 | $ (0.03) | $ (0.04) | $ 0.04 | $ 0.08 | $ 0.03 | $ (0.01) | $ (0.10) | $ 0.08 | $ 0.21 |  | $ 0.04 |  | $ (0.01) |  | $ 0.13 | $ 0.45
Weighted average shares outstanding in the Deferred Compensation Plan during the period |  |  |  |  |  |  |  |  |  |  |  |  |  | 309 |  | 304 |  | 284 |  |  |
Net of Treasury Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average shares outstanding |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average shares | [3] |  |  |  |  |  |  |  |  |  |  |  |  | 24,187 |  | 24,084 |  | 24,029 |  |  |
[1] | Calculated using the "Treasury Stock" method as if dilutive securities were exercised and the funds were used to purchase common shares at the average market price during the period.
[2] | Options to purchase 1,882,722 common shares, 1,974,775 common shares, and 2,027,450 common shares at June 30, 2015, 2014, and 2013, respectively, were not included in the computation of diluted earnings per share because the exercise price was greater than the average fair market value of the common shares.
[3] | Includes shares accounted for like treasury stock in accordance with Accounting Standards Codification Topic 710, Compensation - General.

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