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EARNINGS PER SHARE | 12 Months Ended
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Dec. 31, 2017
Earnings Per Share [Abstract] |
EARNINGS PER SHARE | EARNINGS PER SHARE A summary of the numerator and denominators used in the computation of earnings per share is as follows:
| Fiscal Year Ended December 31,
| 2017 |  | 2016 |  | 2015
Numerator: |  |  |  |  |
Loss before income taxes | $ | (21,799 | ) |  | $ | (6,849 | ) |  | $ | (12,969 | )
Denominator: |  |  |  |  |
Class A common stock | 41,298 |  |  | 40,572 |  |  | 40,064 |
Class B common stock | 988 |  |  | 988 |  |  | 988 |
Unvested restricted stock | (38 | ) |  | (88 | ) |  | (115 | )
Effect of weighted average shares outstanding | (402 | ) |  | (239 | ) |  | (295 | )
Weighted average common shares outstanding | 41,846 |  |  | 41,233 |  |  | 40,642 |
Antidilutive potentially issuable shares | 2,219 |  |  | 2,442 |  |  | 2,259 |

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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 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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