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Note 9 - Net Income (Loss) Per Share of Common Stock (Tables) | 3 Months Ended
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Mar. 31, 2021
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three months ended March 31, |
|  | 2021 (unaudited) |  |  | 2020 (unaudited) |
Numerator: |  |  |  |  |  |  |  |
Net loss |  | $ | (3,630 | ) |  | $ | (1,185 | )
Denominator (in thousands): |  |  |  |  |  |  |  |
Basic weighted-average common stock outstanding |  |  | 22,546 |  |  |  | 21,994 |
Effect of stock -based awards |  |  | — |  |  |  | — |
Diluted weighted average common stock outstanding |  |  | 22,546 |  |  |  | 21,994 |
Basic net loss per share |  | $ | (0.16 | ) |  | $ | (0.05 | )
Diluted net loss per share |  | $ | (0.16 | ) |  | $ | (0.05 | )

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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/2009/role/commonPracticeRef -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 + Details
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