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Earnings (Loss) and Dividends per Share (Tables) | 9 Months Ended
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Sep. 30, 2015
Earnings Per Share [Abstract] |
Number of Shares Outstanding for Calculation of Earnings (Loss) Per Share | The computational components of basic and diluted earnings (loss) per share for the three-month and nine-month periods ended September 30, 2015 and 2014 are below.
|  | For the three-month period ended September 30, 2015 |
|  | Numerator (Income) |  |  | Denominator (Shares) |  |  | Per Share Amount |
Basic net loss and loss per share |  | $ | (4,825 | ) |  |  | 28,618 |  |  | $ | (0.17 | )
Effect of dilutive securities and notes: |  |  |  |  |  |  |  |  |  |  |  |
Common stock equivalents arising from stock options and employee stock purchase plan |  |  | — |  |  |  | — |  |  |  | — |
Diluted loss and loss per share |  | $ | (4,825 | ) |  |  | 28,618 |  |  | $ | (0.17 | )
|  | For the three-month period ended September 30, 2014 |
|  | Numerator (Income) |  |  | Denominator (Shares) |  |  | Per Share Amount |
Basic net income and earnings per share |  | $ | 3,703 |  |  |  | 25,692 |  |  | $ | 0.14 |
Effect of dilutive securities and notes: |  |  |  |  |  |  |  |  |  |  |  |
Common stock equivalents arising from stock options and employee stock purchase plan |  |  | — |  |  |  | 437 |  |  |  | — |
Diluted earnings and earnings per share |  | $ | 3,703 |  |  |  | 26,129 |  |  | $ | 0.14 |
|  | For the nine-month period ended September 30, 2015 |
|  | Numerator (Income) |  |  | Denominator (Shares) |  |  | Per Share Amount |
Basic net loss and loss per share |  | $ | (2,523 | ) |  |  | 27,066 |  |  | $ | (0.09 | )
Effect of dilutive securities and notes: |  |  |  |  |  |  |  |  |  |  |  |
Common stock equivalents arising from stock options and employee stock purchase plan |  |  | — |  |  |  | — |  |  |  | — |
Diluted loss and loss per share |  | $ | (2,523 | ) |  |  | 27,066 |  |  | $ | (0.09 | )
|  | For the nine-month period ended September 30, 2014 |
|  | Numerator (Income) |  |  | Denominator (Shares) |  |  | Per Share Amount |
Basic net income and earnings per share |  | $ | 11,217 |  |  |  | 25,647 |  |  | $ | 0.44 |
Effect of dilutive securities and notes: |  |  |  |  |  |  |  |  |  |  |  |
Common stock equivalents arising from stock options and employee stock purchase plan |  |  | — |  |  |  | 458 |  |  |  | (0.01 | )
Diluted earnings and earnings per share |  | $ | 11,217 |  |  |  | 26,105 |  |  | $ | 0.43 |

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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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