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Net Loss Per Share (Tables) | 9 Months Ended
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Sep. 30, 2017
Earnings Per Share [Abstract] |
Net Loss Per Share |
|  | For the Three Months Ended September 30, |  |  | For the Nine Months Ended September 30, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
|  | (unaudited, in thousands, except per share amounts) |  |  | (unaudited, in thousands, except per share amounts) |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss available to common stockholders |  | $ | (1,670 | ) |  | $ | (4,632 | ) |  | $ | (6,501 | ) |  | $ | (11,618 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average shares outstanding - basic |  |  | 14,297 |  |  |  | 12,209 |  |  |  | 13,221 |  |  |  | 11,826 |
Potential common shares - options / warrants (treasury stock method) |  |  | — |  |  |  | 2 |  |  |  | 1 |  |  |  | 3 |
Weighted average shares outstanding - diluted |  |  | 14,297 |  |  |  | 12,211 |  |  |  | 13,222 |  |  |  | 11,829 |
Shares excluded (anti-dilutive) |  |  | — |  |  |  | 2 |  |  |  | 1 |  |  |  | 3 |
Shares excluded due to an exercise price greater than weighted average stock price for the period |  |  | 1,973 |  |  |  | 2,062 |  |  |  | 1,869 |  |  |  | 2,062 |
Net loss per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | (0.12 | ) |  | $ | (0.38 | ) |  | $ | (0.49 | ) |  | $ | (0.98 | )
Diluted |  | $ | (0.12 | ) |  | $ | (0.38 | ) |  | $ | (0.49 | ) |  | $ | (0.98 | )

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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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