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Note 3 - Net Income (Loss) Per Common Share | 12 Months Ended
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Dec. 31, 2020
Notes to Financial Statements |
Earnings Per Share [Text Block] | 3. NET INCOME (LOSS) PER COMMON SHARE The following table illustrates the computation of basic and diluted net income (loss) per common share for the periods indicated (in thousands, except per share data):
|  | Year Ended December 31, |
|  | 2020 |  |  | 2019 |
|  | Income |  |  | Shares |  |  | Per Share |  |  | Loss |  |  | Shares |  |  | Per Share |
Basic net income (loss) per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) available to common stockholders |  | $ | 843 |  |  |  | 10,630 |  |  | $ | 0.08 |  |  | $ | (5,611 | ) |  |  | 10,871 |  |  | $ | (0.52 | )
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-vested restricted stock |  |  | — |  |  |  | 794 |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  |  |
Diluted net income (loss) per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) available to common stockholders plus assumed conversions |  | $ | 843 |  |  |  | 11,424 |  |  | $ | 0.07 |  |  | $ | (5,611 | ) |  |  | 10,871 |  |  | $ | (0.52 | )
In periods when losses are reported, the weighted-average number of common shares outstanding excludes common stock equivalents because their inclusion would be anti-dilutive. As such, non-vested restricted stock totaling 459,654 shares were not included for the year ended December 31, 2019.

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