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Note 5 - Loss Per Common Share (Tables) | 9 Months Ended
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Sep. 30, 2015
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2015 |  |  | 2014 |  |  | 2015 |  |  | 2014 |
Numerator |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  | $ | (9,890 | ) |  | $ | 3,676 |  |  | $ | (24,005 | ) |  | $ | 919 |
Preferred stock dividends |  |  | (138 | ) |  |  | (138 | ) |  |  | (414 | ) |  |  | (414 | )
Net income (loss) applicable to common shares for basic and diluted earnings per share |  | $ | (10,028 | ) |  | $ | 3,538 |  |  | $ | (24,419 | ) |  | $ | 505 |
Denominator |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic weighted average common shares |  |  | 377,508 |  |  |  | 359,472 |  |  |  | 372,555 |  |  |  | 348,801 |
Dilutive warrants, stock options and restricted stock |  |  | — |  |  |  | 2,790 |  |  |  | — |  |  |  | 5,872 |
Diluted weighted average common shares |  |  | 377,508 |  |  |  | 362,262 |  |  |  | 372,555 |  |  |  | 354,673 |
Basic earnings (loss) per common share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) applicable to common shares |  | $ | (0.03 | ) |  | $ | 0.01 |  |  | $ | (0.07 | ) |  | $ | — |
Diluted earnings (loss) per common share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) applicable to common shares |  | $ | (0.03 | ) |  | $ | 0.01 |  |  | $ | (0.07 | ) |  | $ | — |

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- References No definition available. + Details
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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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