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v3.20.1

2. Basic and Diluted Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018
Basic Numerator: |  |  |  |  |  |  |  |  |  |
Net loss attributable to Acacia Research Corporation | $ 634 | $ (7,608) | $ (5,757) | $ (4,384) | $ (11,369) | $ (33,195) | $ (28,427) | $ (32,038) | $ (17,115) | $ (105,029)
Accretion of Series A Redeemable Convertible Preferred Stock |  |  |  |  |  |  |  |  | (307) | 0
Net loss attributable to common stockholders - basic | $ 327 | $ (7,608) | $ (5,757) | $ (4,384) | $ (11,369) | $ (33,195) | $ (28,427) | $ (32,038) | $ (17,422) | $ (105,029)
Basic Denominator: |  |  |  |  |  |  |  |  |  |
Weighted-average shares used in computing net loss per share attributable to common stockholders - basic | 49,875,750 | 49,828,361 | 49,696,016 | 49,655,881 | 49,639,172 | 49,557,748 | 50,061,812 | 50,632,958 | 49,764,002 | 49,969,062
Basic net loss per share of common stock | $ 0.01 | $ (0.15) | $ (0.12) | $ (0.09) | $ (0.23) | $ (0.67) | $ (0.57) | $ (0.63) | $ (0.35) | $ (2.10)
Diluted Numerator: |  |  |  |  |  |  |  |  |  |
Net loss attributable to Acacia Research Corporation | $ 634 | $ (7,608) | $ (5,757) | $ (4,384) | $ (11,369) | $ (33,195) | $ (28,427) | $ (32,038) | $ (17,115) | $ (105,029)
Mark-to-market adjustment for preferred stock embedded derivative | (3,258) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | (3,258) | 0
Net loss attributable to common stockholders - diluted | $ (2,624) | $ (7,608) | $ (5,757) | $ (4,384) | $ (11,369) | $ (33,195) | $ (28,427) | $ (32,038) | $ (20,373) | $ (105,029)
Diluted Denominator: |  |  |  |  |  |  |  |  |  |
Weighted-average shares used in computing net loss per share attributable to common stockholders - basic | 49,875,750 | 49,828,361 | 49,696,016 | 49,655,881 | 49,639,172 | 49,557,748 | 50,061,812 | 50,632,958 | 49,764,002 | 49,969,062
Effect of potentially dilutive securities: Series A preferred stock |  |  |  |  |  |  |  |  | 1,132,771 | 0
Weighted-average shares used in computing net loss per share attributable to common stockholders - diluted | 54,406,835 | 49,828,361 | 49,696,016 | 49,655,881 | 49,639,172 | 49,557,748 | 50,061,812 | 50,632,958 | 50,896,773 | 49,969,062
Diluted net loss per share of common stock | $ (0.05) | $ (0.15) | $ (0.12) | $ (0.09) | $ (0.23) | $ (0.67) | $ (0.57) | $ (0.63) | $ (0.40) | $ (2.10)

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