Condensed Consolidated Statements of Stockholders' Deficit (unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss	Treasury Stock	Total Athenex, Inc. Stockholders' Equity	Non-Controlling Interests
Beginning balance at Dec. 31, 2020	$ 165,348	$ 95	$ 901,864	$ (713,644)	$ (1,134)	$ (7,406)	$ 179,775	$ (14,427)
Beginning balance, shares at Dec. 31, 2020		95,066,195				(1,672,920)
Stock-based compensation cost	2,205		2,205				2,205
Restricted stock expense	29		29				29
Stock options exercised	852		852				852
Stock options exercised, shares		119,425
Net loss	(25,603)			(25,050)			(25,050)	(553)
Other comprehensive income (loss), net of tax	293				293		293
Ending balance at Mar. 31, 2021	143,124	$ 95	904,950	(738,694)	(841)	$ (7,406)	158,104	(14,980)
Ending balance, shares at Mar. 31, 2021		95,185,620				(1,672,920)
Beginning balance at Dec. 31, 2020	165,348	$ 95	901,864	(713,644)	(1,134)	$ (7,406)	179,775	(14,427)
Beginning balance, shares at Dec. 31, 2020		95,066,195				(1,672,920)
Net loss	(60,218)
Ending balance at Jun. 30, 2021	169,880	$ 111	966,666	(772,968)	(1,123)	$ (7,485)	185,201	(15,321)
Ending balance, shares at Jun. 30, 2021		110,980,660				(1,672,920)
Beginning balance at Dec. 31, 2020	165,348	$ 95	901,864	(713,644)	(1,134)	$ (7,406)	179,775	(14,427)
Beginning balance, shares at Dec. 31, 2020		95,066,195				(1,672,920)
Ending balance at Dec. 31, 2021	34,452	$ 111	972,404	(913,412)	(487)	$ (7,485)	51,131	(16,679)
Ending balance, shares at Dec. 31, 2021		111,802,968				(1,672,920)
Beginning balance at Mar. 31, 2021	143,124	$ 95	904,950	(738,694)	(841)	$ (7,406)	158,104	(14,980)
Beginning balance, shares at Mar. 31, 2021		95,185,620				(1,672,920)
Sale of common stock, shares		33,373
Sale of common stock	133		133				133
Issuance of common stock in connection with acquisition of Kuur and settlement of transaction incentive liability assumed, shares		15,601,667
Issuance of common stock in connection with acquisition of Kuur and settlement of transaction incentive liability assumed	58,428	$ 16	58,412				58,428
Stock-based compensation cost	2,387		2,387				2,387
Restricted stock expense	57		57				57
Stock options exercised	727		727				727
Stock options exercised, shares		160,000
Treasury stock repurchase	(79)					$ (79)	(79)
Net loss	(34,615)			(34,274)			(34,274)	(341)
Other comprehensive income (loss), net of tax	(282)				(282)		(282)
Ending balance at Jun. 30, 2021	169,880	$ 111	966,666	(772,968)	(1,123)	$ (7,485)	185,201	(15,321)
Ending balance, shares at Jun. 30, 2021		110,980,660				(1,672,920)
Beginning balance at Dec. 31, 2021	34,452	$ 111	972,404	(913,412)	(487)	$ (7,485)	51,131	(16,679)
Beginning balance, shares at Dec. 31, 2021		111,802,968				(1,672,920)
Sale of common stock through ATM shares		1,646,026
Sale of common stock through ATM	1,695	$ 2	1,693				1,695
Stock-based compensation cost	1,623		1,623				1,623
Restricted stock expense	251		251				251
Issuance of warrants	148		148				148
Net loss	(17,932)			(17,420)			(17,420)	(512)
Other comprehensive income (loss), net of tax	562				562		562
Ending balance at Mar. 31, 2022	20,799	$ 113	976,119	(930,832)	75	$ (7,485)	37,990	(17,191)
Ending balance, shares at Mar. 31, 2022		113,448,994				(1,672,920)
Beginning balance at Dec. 31, 2021	34,452	$ 111	972,404	(913,412)	(487)	$ (7,485)	51,131	(16,679)
Beginning balance, shares at Dec. 31, 2021		111,802,968				(1,672,920)
Net loss	(50,306)
Ending balance at Jun. 30, 2022	(5,473)	$ 119	980,819	(962,989)	1,471	$ (7,485)	11,935	(17,408)
Ending balance, shares at Jun. 30, 2022		119,323,823				(1,672,920)
Beginning balance at Mar. 31, 2022	20,799	$ 113	976,119	(930,832)	75	$ (7,485)	37,990	(17,191)
Beginning balance, shares at Mar. 31, 2022		113,448,994				(1,672,920)
Sale of common stock through ATM shares		5,501,866
Sale of common stock through ATM	2,780	$ 5	2,775				2,780
Sale of common stock through ESPP shares		372,963
Sale of common stock through ESPP	188	$ 1	187				188
Stock-based compensation cost	1,358		1,358				1,358
Restricted stock expense	245		245				245
Issuance of warrants	135		135				135
Net loss	(32,374)			(32,157)			(32,157)	(217)
Other comprehensive income (loss), net of tax	1,396				1,396		1,396
Ending balance at Jun. 30, 2022	$ (5,473)	$ 119	$ 980,819	$ (962,989)	$ 1,471	$ (7,485)	$ 11,935	$ (17,408)
Ending balance, shares at Jun. 30, 2022		119,323,823				(1,672,920)