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Net (Loss) Income Per Common Share - Schedule of Computation of Dilutive Effect, Calculated to Indicate Impact of Net Income and Anti-Dilutive Common Stock Equivalents (Detail) (USD $) In Thousands, except Share data, unless otherwise specified | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013 | Dec. 31, 2013
Numerator for diluted net (loss) income per share: |  |  |  |  |
Net income (loss) | $ (1,299) | $ (878) | $ 12,643 | $ (7,178) | $ 338
Preferred deemed dividend |  |  | (9,455) |  |
Less: Net (loss) income attributed to participating securities | (9) | (4) | 21 | (36) |
Net (loss) income attributable to common shareholders, net of (loss) income attributable to participating securities | $ (1,290) | $ (874) | $ 3,167 | $ (7,142) |
Denominator for diluted net (loss) income per share: |  |  |  |  |
Weighted-average shares outstanding | 202,343,245 | 201,514,133 | 202,163,250 | 201,276,741 |
Weighted-average unvested restricted shares outstanding | (1,343,764) | (1,128,769) | (1,336,982) | (1,000,070) |
Effect of dilutive potential shares * |  |  | 37,045,988 |  |
Shares used in computing diluted net (loss) income per share | 200,999,481 | 200,385,364 | 237,872,256 | 200,276,671 |
Diluted net income (loss) per share attributable to common shareholders | $ (0.01) | $ 0.00 | $ 0.01 | $ (0.04) |

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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 18 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 20 -Article 5 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 21 -Article 9 + Details
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- Definition Net Income or Loss Available to Common Stockholders plus adjustments resulting from the assumption that dilutive convertible securities were converted, options or warrants were exercised, or that other shares were issued upon the satisfaction of certain conditions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1505-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1377-109256 + Details
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