CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock and Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balances at Feb. 29, 2020	$ 137,919	$ 220,825	$ (81,531)	$ (1,375)
Balances (ASC 326 [Member]) at Feb. 29, 2020			(134)
Stock-based compensation expense		12,880
Shares issued on net share settlement of equity awards		(1,628)
Exercise of stock options and contributions to ESPP		1,967
Net loss	(56,309)		(56,309)
Foreign currency translation adjustments				390
Balances at Feb. 28, 2021	95,085	234,044	(137,974)	(985)
Stock-based compensation expense		11,346
Shares issued on net share settlement of equity awards		(4,173)
Exercise of stock options and contributions to ESPP		1,530
Net loss	(27,991)		(27,991)
Foreign currency translation adjustments				(395)
Balances at Feb. 28, 2022	75,402	242,747	(165,965)	(1,380)
Stock-based compensation expense		10,211
Shares issued on net share settlement of equity awards		(1,865)
Exercise of stock options and contributions to ESPP		956
Net loss	(32,490)		(32,490)
Foreign currency translation adjustments				(543)
Balances at Feb. 28, 2023	$ 14,307	185,046	(168,816)	$ (1,923)
Balances (ASU 2020-06 [Member]) at Feb. 28, 2023		$ (67,003)	$ 29,639