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NET INCOME (LOSS) PER SHARE (Tables) | 12 Months Ended
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Dec. 31, 2018
NET INCOME (LOSS) PER SHARE |
Computation of basic and diluted net income (loss) per share |
|  | Years ended December 31,
|  | 2016 |  | 2017 |  | 2018
Numerator: |  |  |  |  |  |
Net income (loss) attributable to ordinary shareholders of RYB Education, Inc. for computing basic and diluted net income (loss) per ordinary share |  | 6,505 |  | 7,115 |  | (1,789)
Denominator: |  |  |  |  |  |
Weighted average ordinary shares outstanding used in computing basic net income (loss) per ordinary share |  | 23,163,801 |  | 24,735,445 |  | 29,213,801
Effect of dilutive securities |  |  |  |  |  |
Plus incremental weighted average ordinary shares from assumed conversions of options and nonvested shares using the treasury stock method |  | 1,518,724 |  | 1,831,212 |  | —
Weighted average ordinary shares outstanding used in computing diluted net income per ordinary share |  | 24,682,525 |  | 26,566,657 |  | 29,213,801
Net income (loss) per ordinary share-basic |  | 0.28 |  | 0.29 |  | (0.06)
Net income (loss) per ordinary share-diluted |  | 0.26 |  | 0.27 |  | (0.06)
Summary of shares outstanding excluded from the calculation of diluted net loss per ordinary share, as their inclusion would have been anti-dilutive for the periods presented |
|  | As of December 31,
|  | 2018
Options and nonvested shares |  | 4,275,011

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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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://fasb.org/us-gaap/role/ref/legacyRef -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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