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Note 13 - Shares Outstanding and Earnings Per Share | 12 Months Ended
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Dec. 31, 2017
Notes to Financial Statements |
Earnings Per Share [Text Block] | 13. Shares Outstanding and Earnings Per Share: Earnings per share have been calculated based on the weighted average number of shares outstanding as set forth below:
|  | For the years ended December 31, |
(in thousands, except per share data ) |  | 201 7 |  |  | 201 6 |  |  | 201 5 |
Weighted average basic shares outstandin g |  |  | 11,381 |  |  |  | 11,210 |  |  |  | 11,192 |
Assumed exercise of stock options and issuance of stock award s |  |  | - |  |  |  | - |  |  |  | - |
Weighted average diluted shares outstandin g |  |  | 11,381 |  |  |  | 11,210 |  |  |  | 11,192 |
Net income (loss ) |  | $ | 18,963 |  |  | $ | (1,078 | ) |  | $ | (26,777 | )
Basic earnings (loss) per shar e |  | $ | 1.67 |  |  | $ | (0.10 | ) |  | $ | (2.39 | )
Diluted earnings (loss) per shar e |  | $ | 1.67 |  |  | $ | (0.10 | ) |  | $ | (2.39 | )
Anti-dilutive securities outstandin g |  |  | 65 |  |  |  | 167 |  |  |  | 125 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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