CONDENSED 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. 28, 2021	$ 95,085	$ 234,044	$ (137,974)	$ (985)
Stock-based compensation expense		8,586
Shares issued on net share settlement of equity awards		(4,128)
Exercise of stock options and contributions to employee stock purchase plan		900
Net loss	(18,810)		(18,810)
Foreign currency translation adjustments				(1,452)
Balances at Nov. 30, 2021	80,181	239,402	(156,784)	(2,437)
Balances at Aug. 31, 2021	90,312	236,361	(145,347)	(702)
Stock-based compensation expense		3,152
Shares issued on net share settlement of equity awards		(111)
Net loss	(11,437)		(11,437)
Foreign currency translation adjustments				(1,735)
Balances at Nov. 30, 2021	80,181	239,402	(156,784)	(2,437)
Balances at Feb. 28, 2022	75,402	242,747	(165,965)	(1,380)
Balances (ASU 2020-06 [Member]) at Feb. 28, 2022		(67,003)	29,639
Stock-based compensation expense		8,186
Shares issued on net share settlement of equity awards		(1,675)
Exercise of stock options and contributions to employee stock purchase plan		502
Net loss	(24,400)		(24,400)
Foreign currency translation adjustments				(1,957)
Balances at Nov. 30, 2022	18,694	182,757	(160,726)	(3,337)
Balances at Aug. 31, 2022	21,820	180,834	(155,993)	(3,021)
Stock-based compensation expense		2,030
Shares issued on net share settlement of equity awards		(107)
Net loss	(4,733)		(4,733)
Foreign currency translation adjustments				(316)
Balances at Nov. 30, 2022	$ 18,694	$ 182,757	$ (160,726)	$ (3,337)