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Note 13 - Net Income (Loss) Per Share (Tables) | 9 Months Ended
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Sep. 30, 2018
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Income (loss) from continuing operations |  | $ | 27,801 |  |  | $ | (1,587 | ) |  | $ | 20,164 |  |  | $ | (6,550 | )
Loss on discontinued operations |  |  | - |  |  |  | (482 | ) |  |  | - |  |  |  | (1,455 | )
Net income (loss) |  | $ | 27,801 |  |  | $ | (2,069 | ) |  | $ | 20,164 |  |  | $ | (8,005 | )
Basic weighted-average common shares outstanding |  |  | 9,735 |  |  |  | 9,620 |  |  |  | 9,723 |  |  |  | 9,611 |
Effect of potentially dilutive common shares (1) |  |  | - |  |  |  | - |  |  |  | 9 |  |  |  | - |
Diluted weighted-average common shares outstanding |  |  | 9,735 |  |  |  | 9,620 |  |  |  | 9,732 |  |  |  | 9,611 |
Income (loss) per basic common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Continuing operations |  | $ | 2.86 |  |  | $ | (0.16 | ) |  | $ | 2.07 |  |  | $ | (0.68 | )
Discontinued operations |  |  | - |  |  |  | (0.05 | ) |  |  | - |  |  |  | (0.15 | )
Net income (loss) per share |  | $ | 2.86 |  |  | $ | (0.21 | ) |  | $ | 2.07 |  |  | $ | (0.83 | )
Income (loss) per diluted common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Continuing operations |  | $ | 2.86 |  |  | $ | (0.16 | ) |  | $ | 2.07 |  |  | $ | (0.68 | )
Discontinued operations |  |  | - |  |  |  | (0.05 | ) |  |  | - |  |  |  | (0.15 | )
Net income (loss) per share assuming dilution |  | $ | 2.86 |  |  | $ | (0.21 | ) |  | $ | 2.07 |  |  | $ | (0.83 | )

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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://fasb.org/us-gaap/role/ref/legacyRef -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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