UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenues:
Total revenues	$ 14,803	$ 13,507
Costs and expenses:
Cost of revenues - intellectual property operations	9,958	8,756
Engineering and development expenses - industrial operations	216	190
Sales and marketing expenses - industrial operations	1,913	2,016
General and administrative expenses	12,040	11,053
Total costs and expenses	24,127	22,015
Operating loss	(9,324)	(8,508)
Equity securities investments:
Change in fair value of equity securities	3,343	(172,203)
(Loss) gain on sale of equity securities	(1,361)	66,876
Net realized and unrealized gain (loss)	1,982	(105,327)
Change in fair value of the Series A and B warrants and embedded derivatives	16,651	28,098
Gain (loss) on foreign currency exchange	80	(813)
Interest expense on Senior Secured Notes	(900)	(2,601)
Interest income and other, net	3,441	1,007
Total other income (expense)	21,254	(79,636)
Income (loss) before income taxes	11,930	(88,144)
Income tax (expense) benefit	(2,483)	14,878
Net income (loss) including noncontrolling interests in subsidiaries	9,447	(73,266)
Net income attributable to noncontrolling interests in subsidiaries	0	0
Net income (loss) attributable to Acacia Research Corporation	9,447	(73,266)
Income (loss) per share:
Net income (loss) attributable to common stockholders - Basic	$ 5,958	$ (75,117)
Weighted average number of shares outstanding - Basic	47,971,931	46,544,313
Basic net income (loss) per common share (in usd per share)	$ 0.12	$ (1.61)
Net loss attributable to common stockholders - Diluted	$ (6,496)	$ (75,117)
Weighted average number of shares outstanding - Diluted	89,067,821	46,544,313
Diluted net income (loss) per common share (in usd per share)	$ (0.07)	$ (1.61)
Intellectual property operations
Revenues:
Total revenues	$ 4,176	$ 2,615
Costs and expenses:
Cost of revenues - intellectual property operations	4,738	4,564
Industrial operations
Revenues:
Total revenues	10,627	10,892
Costs and expenses:
Cost of revenues - intellectual property operations	$ 5,220	$ 4,192