Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital	(Accumulated Deficit)/ Retained Earnings	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 delivery of vested restricted stock units	93	$ 1	92
Exercise of stock options and delivery of vested restricted stock units (share)		11,565
Statutory tax withholding related to net-share settlement of restricted stock units (in shares)		(15)
Statutory tax withholding related to net-share settlement of restricted stock units	(91)		(91)
Stock-based compensation	11,446		11,446
Net loss	(33,168)			(33,168)
Foreign currency translation adjustment	(92)				(92)
Ending Balance at Apr. 30, 2022	16,631	$ 10	467,296	(450,854)	179
Ending Balance (in Shares) at Apr. 30, 2022		100,426
Beginning Balance at Jan. 31, 2023	(34,724)	$ 11	493,902	(528,696)	59
Beginning Balance (ASU 2016-13) at Jan. 31, 2023	(182)			(182)
Beginning Balance (in Shares) at Jan. 31, 2023		111,466
Vesting of restricted stock units, Shares		310
Stock-based compensation	999		999
Net loss	(9,240)			(9,240)
Foreign currency translation adjustment	(6)				(6)
Ending Balance at Apr. 30, 2023	$ (43,153)	$ 11	$ 494,901	$ (538,118)	$ 53
Ending Balance (in Shares) at Apr. 30, 2023		111,776