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Quarterly Financial Data (Unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2018
Quarterly Financial Information Disclosure [Abstract] |
Summary of Quarterly Financial Data | The following table sets forth certain unaudited quarterly financial data for the eight quarters ended December 31, 2018.
|  | 2018 |  |  | 2017 |
|  | Q1 |  |  | Q2 |  |  | Q3 |  |  | Q4 |  |  | Q1 |  |  | Q2 |  |  | Q3 |  |  | Q4 |
Revenues |  | $ | 12,637 |  |  | $ | 21,416 |  |  | $ | 23,562 |  |  | $ | 26,837 |  |  | $ | 3,425 |  |  | $ | 8,253 |  |  | $ | 11,812 |  |  | $ | 13,077 |
Expenses |  |  | 33,634 |  |  |  | 40,556 |  |  |  | 39,803 |  |  |  | 47,609 |  |  |  | 20,217 |  |  |  | 21,021 |  |  |  | 24,847 |  |  |  | 26,843 |
Net loss |  |  | (20,187 | ) |  |  | (16,640 | ) |  |  | (12,843 | ) |  |  | (19,219 | ) |  |  | (16,632 | ) |  |  | (12,491 | ) |  |  | (12,354 | ) |  |  | (13,091 | )
Net loss attributable to non-controlling interest |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (555 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Net loss attributable to Sangamo Therapeutics, Inc. |  |  | (20,187 | ) |  |  | (16,640 | ) |  |  | (12,843 | ) |  |  | (18,664 | ) |  |  | (16,632 | ) |  |  | (12,491 | ) |  |  | (12,354 | ) |  |  | (13,091 | )
Basic and Diluted Net loss per share attributable to Sangamo Therapeutics, Inc. |  |  | (0.23 | ) |  |  | (0.17 | ) |  |  | (0.13 | ) |  |  | (0.18 | ) |  |  | (0.23 | ) |  |  | (0.17 | ) |  |  | (0.15 | ) |  |  | (0.15 | )

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109225645&loc=d3e1280-108306 + Details
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