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v3.20.1

Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Series A Redeemable Convertible Preferred Stock | Common Stock | Treasury Stock | Additional Paid-In Capital | Accumulated Comprehensive Income / Loss | Accumulated Deficit | Noncontrolling Interest | Total
--- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance, shares at Dec. 31, 2017 | 0 | 50,639,926 |  |  |  |  |  |
Beginning balance, value at Dec. 31, 2017 | $ 0 | $ 51 | $ (34,640) | $ 648,996 | $ (88) | $ (320,018) | $ 1,358 | $ 295,659
Net loss attributable to Acacia Research Corporation |  |  |  |  |  | (105,029) |  | (105,029)
Cumulative effect of new accounting principle |  |  |  |  |  | 2,506 | 308 | 2,814
Stock options exercised, shares |  | 82,615 |  |  |  |  |  |
Stock options exercised, value |  |  |  | 257 |  |  |  | 257
Compensation expense for share-based awards, net of forfeitures, shares |  | 166,998 |  |  |  |  |  |
Compensation expense for share-based awards, net of forfeitures, value |  | $ 1 |  | 2,132 |  |  |  | 2,133
Repurchase of restricted common stock, shares |  | (59,800) |  |  |  |  |  |
Repurchase of restricted common stock, value |  |  |  | (229) |  |  |  | (229)
Repurchase of common stock, shares |  | (1,190,420) |  |  |  |  |  |
Repurchase of common stock, value |  | $ (2) | (4,632) |  |  |  |  | (4,634)
Net income (loss) attributable to noncontrolling interests in subsidiaries |  |  |  |  |  |  | 181 | 181
Unrealized loss on foreign currency translation |  |  |  |  | 88 |  |  | 88
Ending balance, shares at Dec. 31, 2018 | 0 | 49,639,319 |  |  |  |  |  |
Ending balance, value at Dec. 31, 2018 | $ 0 | $ 50 | (39,272) | 651,156 | 0 | (422,541) | 1,847 | 191,240
Net loss attributable to Acacia Research Corporation |  |  |  |  |  | (17,115) |  | (17,115)
Issuance of shares of Series A redeemable convertible preferred stock, net of embedded derivative, Series A warrants, and issuance costs, shares | 350,000 |  |  |  |  |  |  |
Issuance of shares of Series A redeemable convertible preferred stock, net of embedded derivative, Series A warrants, and issuance costs, value | $ 7,782 |  |  |  |  |  |  |
Accretion of Series A redeemable convertible preferred stock to redemption value | $ 307 |  |  | (307) |  |  |  | (307)
Stock options exercised, shares |  | 25,136 |  |  |  |  |  |
Stock options exercised, value |  |  |  | 79 |  |  |  | 79
Compensation expense for share-based awards, net of forfeitures, shares |  | 706,532 |  |  |  |  |  |
Compensation expense for share-based awards, net of forfeitures, value |  |  |  | 1,075 |  |  |  | 1,075
Net income (loss) attributable to noncontrolling interests in subsidiaries |  |  |  |  |  |  | (14) | (14)
Ending balance, shares at Dec. 31, 2019 | 350,000 | 50,370,987 |  |  |  |  |  |
Ending balance, value at Dec. 31, 2019 | $ 8,089 | $ 50 | $ (39,272) | $ 652,003 | $ 0 | $ (439,656) | $ 1,833 | $ 174,958

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