Condensed Consolidated Statements of Stockholders' Equity (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, 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)