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Note 11 - Common Stock, Additional Paid-In Capital and Warrants (Tables) | 6 Months Ended
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Jun. 30, 2014
Note 11 - Common Stock, Additional Paid-In Capital and Warrants (Tables) [Line Items] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Six months ended June 30, |
|  | 2013 |  |  | 2014 |
Income: |  |  |  |  |  |
Net income |  | $ | 4,486 |  |  | $ | (415 | )
Basic Earnings per share: |  |  |  |  |  |  |  |
Weighted average common shares outstanding, basic |  |  | 2,432,907 |  |  |  | 6,867,971 |
Weighted average common shares outstanding, diluted |  |  | 2,433,978 |  |  |  | 6,867,971 |
Basic and diluted Earnings / (loss) per share |  | $ | 1.84 |  |  | $ | (0.06 | )
Common Shares Outstanding [Member] |
Note 11 - Common Stock, Additional Paid-In Capital and Warrants (Tables) [Line Items] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Six months ended June 30, |
|  | 2013 |  |  | 2014 |
Earnings / (loss) per share, basic and diluted before reverse stock split |  | $ | 0.26 |  |  | $ | (0.01 | )
Reverse stock split impact on Earnings / (loss) per share, basic and diluted |  | $ | 1.58 |  |  | $ | (0.05 | )
Earnings / (loss) per share, basic and diluted after reverse stock split |  | $ | 1.84 |  |  | $ | (0.06 | )

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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/2003/role/presentationRef -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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