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Earnings Per Share | 3 Months Ended
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Mar. 31, 2015
Earnings Per Share [Abstract] |
Earnings Per Share |
8. | EARNINGS PER SHARE
The following table sets forth the numerator and denominator used in the computation of basic and diluted earnings per share (“EPS”):
|  | Three Months Ended March 31, |
|  | 2015 |  |  | 2014 |
Numerator: |  |  |  |  |  |  |  |
Net loss attributable to common stockholders |  | $ | (9,271 | ) |  | $ | (13,423 | )
Denominator: |  |  |  |  |  |  |  |
Number of shares outstanding, end of period: |  |  |  |  |  |  |  |
Class A common stock |  |  | 39,588 |  |  |  | 39,053 |
Class B common stock |  |  | 988 |  |  |  | 988 |
Unvested restricted stock |  |  | (159 | ) |  |  | (130 | )
Effect of weighted average shares outstanding during period |  |  | — |  |  |  | (2 | )
Weighted average number of common shares used in basic and diluted EPS |  |  | 40,417 |  |  |  | 39,909 |
As of March 31, 2015, there are 2,705 anti-dilutive potentially issuable shares not included in the diluted EPS calculation due to the net loss attributable to common stockholders.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 3: 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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=32703322&loc=d3e4984-109258 Reference 5: 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 + Details
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