Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Convertible Debt [Member]	Common Stock [Member]	Common Stock [Member] Convertible Debt [Member]	Additional Paid-in Capital	Additional Paid-in Capital Convertible Debt [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income
Beginning Balance at Jan. 31, 2022	$ 38,443		$ 9		$ 455,849		$ (417,686)	$ 271
Beginning Balance (in Shares) at Jan. 31, 2022			88,876
Exercise of stock options and settlement of restricted stock units	206		$ 1		205
Exercise of stock options and settlement of restricted stock units (share)			12,788
Statutory tax withholding related to net-share settlement of restricted stock units	(91)				(91)
Statutory tax withholding related to net-share settlement of restricted stock units (in Shares)			(15)
Stock-based compensation	18,584				18,584
Net loss	(61,584)						(61,584)
Foreign currency translation adjustment	(265)							(265)
Ending Balance at Jul. 31, 2022	(4,707)		$ 10		474,547		(479,270)	6
Ending Balance (in Shares) at Jul. 31, 2022			101,649
Beginning Balance at Apr. 30, 2022	16,631		$ 10		467,296		(450,854)	179
Beginning Balance (in Shares) at Apr. 30, 2022			100,426
Exercise of stock options and settlement of restricted stock units	113				113
Exercise of stock options and settlement of restricted stock units (share)			1,223
Stock-based compensation	7,138				7,138
Net loss	(28,416)						(28,416)
Foreign currency translation adjustment	(173)							(173)
Ending Balance at Jul. 31, 2022	(4,707)		$ 10		474,547		(479,270)	6
Ending Balance (in Shares) at Jul. 31, 2022			101,649
Beginning Balance at Jan. 31, 2023	(34,724)		$ 11		493,902		(528,696)	59
Beginning Balance (Accounting Standards Update 2016-13) at Jan. 31, 2023	$ (182)						(182)
Beginning Balance (in Shares) at Jan. 31, 2023			111,466
Vesting of restricted stock units (in Shares)			695
Exercise of stock options and settlement of restricted stock units (share)	0
Issuance of common stock		$ 3,652		$ 1		$ 3,651
Issuance of common stock (in Shares)				8,704
Stock-based compensation	$ 2,253				2,253
Net loss	(16,078)						(16,078)
Foreign currency translation adjustment	6							6
Ending Balance at Jul. 31, 2023	(45,073)		$ 12		499,806		(544,956)	65
Ending Balance (in Shares) at Jul. 31, 2023			120,865
Beginning Balance at Apr. 30, 2023	(43,152)		$ 11		494,901		(538,117)	53
Beginning Balance (in Shares) at Apr. 30, 2023			111,776
Vesting of restricted stock units (in Shares)			385
Issuance of common stock		$ 3,652		$ 1		$ 3,651
Issuance of common stock (in Shares)				8,704
Stock-based compensation	1,254				1,254
Net loss	(6,839)						(6,839)
Foreign currency translation adjustment	12							12
Ending Balance at Jul. 31, 2023	$ (45,073)		$ 12		$ 499,806		$ (544,956)	$ 65
Ending Balance (in Shares) at Jul. 31, 2023			120,865