CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 355,188	$ 287,786
Equity securities	52,853	61,608
Equity securities without readily determinable fair value	5,816	5,816
Equity method investments	30,934	30,934
Accounts receivable, net	6,267	8,231
Inventories	14,006	14,222
Prepaid expenses and other current assets	20,728	19,388
Total current assets	485,792	427,985
Property, plant and equipment, net	2,950	3,537
Goodwill	7,541	7,541
Other intangible assets, net	30,590	36,658
Leased right-of-use assets	910	2,005
Other non-current assets	6,925	5,202
Total assets	534,708	482,928
Current liabilities:
Accounts payable	5,789	6,036
Accrued expenses and other current liabilities	4,461	14,058
Accrued compensation	5,505	4,737
Royalties and contingent legal fees payable	579	699
Accrued patent costs	0	9,000
Deferred revenue	1,022	1,229
Senior secured notes payable	60,450	60,450
Total current liabilities	77,806	87,209
Deferred revenue, net of current portion	535	568
Series A embedded derivative liabilities	12,881	16,835
Series B warrant liabilities	82,018	84,780
Long-term lease liabilities	898	1,873
Deferred income tax liabilities, net	125	742
Other long-term liabilities	1,858	1,675
Total liabilities	176,121	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 June 30, 2023 and December 31, 2022; aggregate liquidation preference of $35,000 as of June 30, 2023 and December 31, 2022	23,154	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; 58,754,795 and 43,484,867 shares issued and outstanding as of June 30, 2023 and December 31, 2022, respectively	58	43
Treasury stock, at cost, 16,183,703 shares as of June 30, 2023 and December 31, 2022	(98,258)	(98,258)
Additional paid-in capital	738,712	663,284
Accumulated deficit	(316,121)	(306,789)
Total Acacia Research Corporation stockholders' equity	324,391	258,280
Noncontrolling interests	11,042	11,042
Total stockholders' equity	335,433	269,322
Total liabilities, redeemable convertible preferred stock, and stockholders' equity	$ 534,708	$ 482,928
Treasury Stock, Common, Shares	16,183,703