Condensed Consolidated Statements of Operations and Comprehensive Loss (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenue:
Total revenue	$ 46,935	$ 25,307
Costs and operating expenses:
Cost of sales	19,572	19,902
Research and development expenses	17,192	24,475
Selling, general, and administrative expenses	25,748	15,188
Total costs and operating expenses	62,512	59,565
Operating loss	(15,577)	(34,258)
Interest income	413	283
Interest expense	1,673	1,755
Loss before income tax expense	(16,837)	(35,730)
Income tax expense	2,881	500
Net loss	(19,718)	(36,230)
Less: net loss attributable to non-controlling interests	(289)	(997)
Net loss attributable to Athenex, Inc.	(19,429)	(35,233)
Unrealized (loss) gain on investment, net of income taxes	(68)	3
Foreign currency translation adjustment, net of income taxes	(438)	1,068
Comprehensive loss	$ (19,935)	$ (34,162)
Net loss per share attributable to Athenex, Inc. common stockholders, basic and diluted (See Note 12)	$ (0.24)	$ (0.53)
Weighted-average shares used in computing net loss per share attributable to Athenex, Inc. common stockholders, basic and diluted (See Note 12)	81,539,548	67,011,432
Product Sales, Net
Revenue:
Total revenue	$ 18,547	$ 25,163
License and Other Revenue
Revenue:
Total revenue	$ 28,388	$ 144