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NET LOSS PER SHARE (Tables) | 6 Months Ended
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Jun. 30, 2016
Earnings Per Share [Abstract] |
Reconciliation used in Computing Basic and Diluted Net Income (Loss) per Share | The following is a reconciliation of the numerators and denominators used in computing basic and diluted net loss per share for both continuing and dscontinued operations:
|  | Three months ended June 30, |  | Six Months Ended June 30,
|  | 2016 |  | 2015 |  | 2016 |  | 2015
|  | (in thousands, except per share amounts)
Numerator: |  |  |  |  |  |  |  |
Income (loss) from continuing operations |  | $ | (6,205 | ) |  | $ | 1,595 |  |  | $ | (8,900 | ) |  | $ | 1,536 |
Income from discontinued operations, net of tax |  | 649 |  |  | — |  |  | 649 |  |  | — |
Net income (loss) used in computing basic net income (loss) per share |  | $ | (5,556 | ) |  | $ | 1,595 |  |  | $ | (8,251 | ) |  | $ | 1,536 |
Denominator: |  |  |  |  |  |  |  |
Shares used in computation of basic and diluted net income (loss) per share (weighted average common shares outstanding) |  | 28,834 |  |  | 28,070 |  |  | 28,663 |  |  | 27,944 |
Dilutive potential common shares: |  |  |  |  |  |  |  |
Stock options, ESPP, restricted Stock and RSUs |  | — |  |  | 836 |  |  | — |  |  | 835 |
Shares used in computation of diluted net income (loss) per share |  | 28,834 |  |  | 28,906 |  |  | 28,663 |  |  | 28,779 |
Basic net income (loss) per share: |  |  |  |  |  |  |  |
Continuing operations |  | $ | (0.22 | ) |  | $ | 0.06 |  |  | $ | (0.31 | ) |  | $ | 0.05 |
Discontinued operations |  | 0.02 |  |  | 0.00 |  |  | 0.02 |  |  | 0.00 |
Total |  | $ | (0.20 | ) |  | $ | 0.06 |  |  | $ | (0.29 | ) |  | $ | 0.05 |
Diluted net income (loss) per share: |  |  |  |  |  |  |  |
Continuing operations |  | $ | (0.22 | ) |  | $ | 0.06 |  |  | $ | (0.31 | ) |  | $ | 0.05 |
Discontinued operations |  | 0.02 |  |  | 0.00 |  |  | 0.02 |  |  | 0.00 |
Total |  | $ | (0.20 | ) |  | $ | 0.06 |  |  | $ | (0.29 | ) |  | $ | 0.05 |
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share | These outstanding securities consisted of the following:
| June 30, |
| 2016 |
Outstanding stock options | 3,521,481 |  |
Unvested restricted stock awards | 77,540 |  |
Unvested RSUs | 510,234 |  |
ESPP | 27,670 |  |

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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://www.xbrl.org/2003/role/presentationRef -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://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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