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Net Loss Per Share Attributable to Adaptive Biotechnologies Corporation Common Shareholders (Tables) | 12 Months Ended
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Dec. 31, 2021
Earnings Per Share [Abstract] |
Computation of the Basic and Diluted Net Loss Per Share Attributable to Common Shareholders | The following table sets forth the computation of the basic and diluted net loss per share attributable to Adaptive Biotechnologies Corporation common shareholders for the years ended December 31, 2021, 2020 and 2019 (in thousands, except share and per share amounts):
|  | Year Ended December 31, |
|  | 2021 |  |  | 2020 |  |  | 2019 |
Net loss attributable to Adaptive Biotechnologies Corporation |  | $ | (207,279 | ) |  | $ | (146,227 | ) |  | $ | (68,606 | )
Fair value adjustment to redemption value for Series E-1 convertible preferred stock options |  |  | — |  |  |  | — |  |  |  | (964 | )
Net loss attributable to Adaptive Biotechnologies Corporation common shareholders, basic and diluted |  | $ | (207,279 | ) |  | $ | (146,227 | ) |  | $ | (69,570 | )
Weighted-average shares used in computing net loss per share attributable to Adaptive Biotechnologies Corporation common shareholders, basic and diluted |  |  | 140,354,915 |  |  |  | 131,216,468 |  |  |  | 69,165,315 |
Net loss per share attributable to Adaptive Biotechnologies Corporation common shareholders, basic and diluted |  | $ | (1.48 | ) |  | $ | (1.11 | ) |  | $ | (1.01 | )
Weighted-Average Common Stock Equivalents were Excluded From Calculation of Diluted Net Loss Per Share | The following weighted-average common stock equivalents were excluded from the calculation of diluted net loss per share attributable to Adaptive Biotechnologies Corporation common shareholders for the years ended December 31, 2021, 2020 and 2019, as they had an anti-dilutive effect:
|  | Year Ended December 31, |
|  | 2021 |  |  | 2020 |  |  | 2019 |
Convertible preferred stock (on as if converted basis) |  |  | — |  |  |  | — |  |  |  | 46,104,469 |
Stock options issued and outstanding |  |  | 13,097,374 |  |  |  | 16,125,548 |  |  |  | 17,183,546 |
Nonvested restricted stock units |  |  | 693,173 |  |  |  | 38,125 |  |  |  | 4,952 |
Common stock warrants |  |  | 8,570 |  |  |  | 56,875 |  |  |  | 55,961 |
Convertible preferred stock warrant |  |  | — |  |  |  | — |  |  |  | 28,204 |
Total |  |  | 13,799,117 |  |  |  | 16,220,548 |  |  |  | 63,377,132 |

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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=124432515&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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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