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Note 14 - Shares Outstanding and Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2018
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | For the years ended December 31, |
(in thousands, except per share data) |  | 2018 |  |  | 2017 |  |  | 2016 |
Weighted average basic shares outstanding |  |  | 11,432 |  |  |  | 11,381 |  |  |  | 11,210 |
Assumed exercise of stock options and issuance of stock awards |  |  | 8 |  |  |  | - |  |  |  | - |
Weighted average diluted shares outstanding |  |  | 11,440 |  |  |  | 11,381 |  |  |  | 11,210 |
Net income (loss) |  | $ | 33,759 |  |  | $ | 18,963 |  |  | $ | (1,078 | )
Basic earnings (loss) per share |  | $ | 2.95 |  |  | $ | 1.67 |  |  | $ | (0.10 | )
Diluted earnings (loss) per share |  | $ | 2.95 |  |  | $ | 1.67 |  |  | $ | (0.10 | )
Unvested RSUs |  |  | 91 |  |  |  | 65 |  |  |  | 167 |

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