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Note 3 - (Loss) Per Common Share - Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2019 | Jun. 30, 2018
Net (Loss) |  | $ 862 | $ (3,168) | $ (15,782) | $ 1,749 | $ (2,664) | $ 220 | $ (1,468) | $ (15,629) | $ (16,339) | $ (19,541)
Weighted average shares outstanding during the period, net of treasury shares (a) (in shares) | [1] |  |  |  |  |  |  |  |  | 25,858 | 25,569
Weighted average vested restricted stock units outstanding (in shares) |  |  |  |  |  |  |  |  |  | 215 | 242
Weighted average shares outstanding (in shares) |  |  |  |  |  |  |  |  |  | 26,109 | 25,866
Basic (loss) per share (in dollars per share) |  | $ 0.03 | $ (0.12) | $ (0.61) | $ 0.07 | $ (0.10) | $ (0.01) | $ (0.06) | $ (0.61) | $ (0.63) | $ (0.76)
Weighted average shares outstanding - Basic (in shares) |  |  |  |  |  |  |  |  |  | 26,109 | 25,866
Impact of common shares to be issued under stock option plans, and contingently issuable shares, if any (in shares) | [2] |  |  |  |  |  |  |  |  |  |
Weighted average shares outstanding (c) (in shares) | [3] |  |  |  |  |  |  |  |  | 26,109 | 25,866
Diluted (loss) per share (in dollars per share) |  | $ 0.03 | $ (0.12) | $ (0.61) | $ 0.07 | $ (0.10) | $ (0.01) | $ (0.06) | $ (0.61) | $ (0.63) | $ (0.76)
Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |  |  |  |  |
Weighted average vested restricted stock units outstanding (in shares) |  |  |  |  |  |  |  |  |  | 36 | 55
[1] | Includes shares accounted for like treasury stock.
[2] | 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.
[3] | Options to purchase 3,555,530 common shares and 2,802,420 common shares at June 30, 2019 and 2018, respectively, were not included in the computation of diluted (loss) per share because the exercise price was greater than the average fair market value of the common shares. For the years ended June 30, 2019 and June 30, 2018 the effect of dilutive securities was not included in the calculation of diluted loss per share because there was a net operating loss for the period.

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- Definition The weighted average total number of shares issued throughout the period net of treasury shares which includes shares accounted for like treasury stock. This element is used in determining the weighted average number of shares outstanding for purposes of calculating earnings per share (basic). + References No definition available. + Details
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=117326831&loc=d3e1337-109256 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=117327953&loc=d3e4984-109258 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22694-107794 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=117326831&loc=d3e1252-109256 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 60B -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=117326831&loc=SL5780133-109256 + Details
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- Definition Shares issuable for little or no cash consideration upon the satisfaction of certain conditions (contingently issuable shares) are considered outstanding common shares and included in the computation of basic Earnings Per Share as of the date that all necessary conditions have been satisfied (in essence, when issuance of the shares is no longer contingent). Outstanding common shares that are contingently returnable (that is, subject to recall) are treated in the same manner as contingently issuable shares. Contingently issuable shares include shares that (a) will be issued in the future upon the satisfaction of specified conditions, (b) have been placed in escrow and all or part must be returned if specified conditions are not met, or (c) have been issued but the holder must return all or part if specified conditions are not met. The number of contingently issuable shares is determined by relating the portion of time within a reporting period that these shares have been outstanding to the total time in that period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=117326831&loc=d3e2646-109256 + Details
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