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Net Loss Per Share (Tables) | 9 Months Ended
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Sep. 30, 2018
Earnings Per Share [Abstract] |
Schedule Of Net Loss Per Share Reconciliation |
﻿ | Quarter Ended September 30, |  | Nine Months Ended September 30,
(in thousands, except per share amounts) | 2018 |  | 2017 |  | 2018 |  | 2017
Numerator for basic and diluted net loss per share: |  |  |  |  |  |  |
Net loss attributable to 3D Systems Corporation | $ | (11,550 | ) |  | $ | (37,670 | ) |  | $ | (41,369 | ) |  | $ | (56,057 | )
Denominator for basic and diluted net loss per share: |  |  |  |  |  |  |
Weighted average shares | 112,534 |  |  | 111,697 |  |  | 112,095 |  |  | 111,467 |
Net loss per share - basic and diluted | $ | (0.10 | ) |  | $ | (0.34 | ) |  | $ | (0.37 | ) |  | $ | (0.50 | )

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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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