Condensed Consolidated Statements of Shareholders' Equity (Deficit) - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Total Shareholders' Equity (Deficit) Attributable to Kineta [Member]	Noncontrolling Interests [Member]
Balance at Dec. 31, 2021	$ (11,949)	$ 5	$ 76,137	$ (88,282)	$ (12,140)	$ 191
Balance, Shares at Dec. 31, 2021		4,656,000
Issuance of common stock	98		98		98
Issuance of common stock, Shares		3,000
Issuance of common stock upon extinguishment of notes payable and accrued interest	235		235		235
Issuance of common stock upon extinguishment of notes payable and accrued interest, Shares		9,000
Issuance of common stock upon exercise of warrants, Shares		1,000
Stock-based compensation	285		285		285
Net income (loss)	(4,975)			(4,976)	(4,976)	1
Balance at Mar. 31, 2022	(16,306)	$ 5	76,755	(93,258)	(16,498)	192
Balance, Shares at Mar. 31, 2022		4,669,000
Balance at Dec. 31, 2021	$ (11,949)	$ 5	76,137	(88,282)	(12,140)	191
Balance, Shares at Dec. 31, 2021		4,656,000
Issuance of common stock, Shares	114,000
Stock-based compensation	$ 1,517
Net income (loss)	(16,520)
Balance at Sep. 30, 2022	(22,122)	$ 5	82,484	(104,721)	(22,232)	110
Balance, Shares at Sep. 30, 2022		4,884,000
Balance at Mar. 31, 2022	(16,306)	$ 5	76,755	(93,258)	(16,498)	192
Balance, Shares at Mar. 31, 2022		4,669,000
Issuance of common stock	905		905		905
Issuance of common stock, Shares		33,000
Issuance of common stock upon extinguishment of notes payable and accrued interest	1,064		1,064		1,064
Issuance of common stock upon extinguishment of notes payable and accrued interest, Shares		46,000
Issuance of common stock upon exercise of warrants	7		7		7
Issuance of common stock upon exercise of warrants, Shares		44,000
Note conversion discount	174		174		174
Stock-based compensation	755		755		755
Net income (loss)	(5,878)			(5,878)	(5,878)
Balance at Jun. 30, 2022	(19,279)	$ 5	79,660	(99,136)	(19,471)	192
Balance, Shares at Jun. 30, 2022		4,792,000
Issuance of common stock	$ 553		553		553
Issuance of common stock, Shares	59,000	20,000
Issuance of common stock upon extinguishment of notes payable and accrued interest	$ 1,622		1,622		1,622
Issuance of common stock upon extinguishment of notes payable and accrued interest, Shares		59,000
Issuance of common stock upon exercise of warrants	63		63		63
Issuance Of Warrants For Services	62		62		62
Issuance of Warrants in Connection with Notes Payable	47		47		47
Issuance of common stock upon exercise of warrants, Shares		3,000
Issuance of common stock upon cashless exercise of stock options		10,000
Stock-based compensation	477		477		477
Net income (loss)	(5,667)			(5,585)	(5,585)	(82)
Balance at Sep. 30, 2022	(22,122)	$ 5	82,484	(104,721)	(22,232)	110
Balance, Shares at Sep. 30, 2022		4,884,000
Balance at Dec. 31, 2022	4,570	$ 8	156,106	(151,690)	4,424	146
Balance, Shares at Dec. 31, 2022		8,318,000
Issuance of common stock	752	$ 1	751		752
Issuance of common stock, Shares		127,000
Issuance of common stock upon vesting of RSUs, Shares		23,000
Issuance of common stock upon exercise of warrants	7		7		7
Issuance of common stock upon exercise of warrants, Shares		51,000
Issuance of common stock for services	41		41		41
Issuance of common stock for services, Shares		12,000
Stock-based compensation	1,054		1,054		1,054
Net income (loss)	(6,480)			(6,451)	(6,451)	(29)
Balance at Mar. 31, 2023	(56)	$ 9	157,959	(158,141)	(173)	117
Balance, Shares at Mar. 31, 2023		8,531,000
Balance at Dec. 31, 2022	4,570	$ 8	156,106	(151,690)	4,424	146
Balance, Shares at Dec. 31, 2022		8,318,000
Stock-based compensation	3,398
Net income (loss)	(11,416)
Balance at Sep. 30, 2023	2,889	$ 10	165,839	(163,135)	2,714	175
Balance, Shares at Sep. 30, 2023		10,215,000
Balance at Mar. 31, 2023	(56)	$ 9	157,959	(158,141)	(173)	117
Balance, Shares at Mar. 31, 2023		8,531,000
Issuance of common stock	5,479	$ 1	5,478		5,479
Issuance of common stock, Shares		948,000
Issuance of common stock upon exercise of restricted stock	(69)		(69)		(69)
Issuance of common stock upon vesting of RSUs, Shares		109,000
Issuance of common stock upon exercise of warrants	10		10		10
Issuance of common stock upon exercise of warrants, Shares		144,000
Stock-based compensation			1,870		1,870
Net income (loss)	375			386	386	(11)
Balance at Jun. 30, 2023	7,609	$ 10	165,248	(157,755)	7,503	106
Balance, Shares at Jun. 30, 2023		9,732,000
Issuance of common stock upon exercise of warrants	3		3		3
Issuance of common stock upon exercise of warrants, Shares		432,000
Issuance of common stock for services	114		114		114
Issuance of common stock for services, Shares		51,000
Stock-based compensation	474		474		474
Net income (loss)	(5,311)			(5,380)	(5,380)	69
Balance at Sep. 30, 2023	$ 2,889	$ 10	$ 165,839	$ (163,135)	$ 2,714	$ 175
Balance, Shares at Sep. 30, 2023		10,215,000