CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 364,227	$ 287,786
Equity securities	60,724	61,608
Equity securities without readily determinable fair value	5,816	5,816
Equity method investments	30,934	30,934
Accounts receivable, net	8,666	8,231
Inventories	14,725	14,222
Prepaid expenses and other current assets	20,099	19,388
Total current assets	505,191	427,985
Property, plant and equipment, net	3,275	3,537
Goodwill	7,541	7,541
Other intangible assets, net	33,624	36,658
Leased right-of-use assets	1,614	2,005
Other non-current assets	5,359	5,202
Total assets	556,604	482,928
Current liabilities:
Accounts payable	8,413	6,036
Accrued expenses and other current liabilities	12,694	14,058
Accrued compensation	5,490	4,737
Royalties and contingent legal fees payable	1,060	699
Accrued patent costs	6,000	9,000
Deferred revenue	1,206	1,229
Senior secured notes payable	61,350	60,450
Total current liabilities	90,213	87,209
Deferred revenue, net of current portion	520	568
Series A embedded derivative liabilities	11,812	16,835
Series B warrant liabilities	73,152	84,780
Long-term lease liabilities	1,566	1,873
Deferred income tax liabilities, net	502	742
Other long-term liabilities	1,674	1,675
Total liabilities	179,439	193,682
Commitments and contingencies
Series A redeemable convertible preferred stock, par value $0.001 per share; stated value $100 per share; 350,000 shares authorized, issued and outstanding as of March 31, 2023 and December 31, 2022; aggregate liquidation preference of $35,000 as of March 31, 2023 and December 31, 2022	21,478	19,924
Stockholders' equity:
Preferred stock, par value $0.001 per share; 10,000,000 shares authorized; no shares issued or outstanding	0	0
Common stock, par value $0.001 per share; 300,000,000 shares authorized; 58,551,798 and 43,484,867 shares issued and outstanding as of March 31, 2023 and December 31, 2022, respectively	58	43
Treasury stock, at cost, 16,183,703 shares as of March 31, 2023 and December 31, 2022	(98,258)	(98,258)
Additional paid-in capital	740,187	663,284
Accumulated deficit	(297,342)	(306,789)
Total Acacia Research Corporation stockholders' equity	344,645	258,280
Noncontrolling interests	11,042	11,042
Total stockholders' equity	355,687	269,322
Total liabilities, redeemable convertible preferred stock, and stockholders' equity	$ 556,604	$ 482,928
Treasury Stock, Common, Shares	16,183,703