CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common stock and APIC	[1]	AOCL	[2]	Accumulated Deficit
BALANCE at Jan. 31, 2021	$ 39,551	$ 166,581		$ 7		$ (127,037)
Issuance of common stock under equity-based plans	1,469	1,469
Shares repurchased for tax withholdings on RSU vesting	(485)	(485)
Stock-based compensation	3,194	3,194
Changes in other comprehensive income (loss)	(4)			(4)
Net income (loss)	(887)					(887)
BALANCE at Apr. 30, 2021	42,838	170,759		3		(127,924)
BALANCE at Jan. 31, 2021	39,551	166,581		7		(127,037)
Net income (loss)	(1,326)
BALANCE at Jul. 31, 2021	45,210	173,572		1		(128,363)
BALANCE at Apr. 30, 2021	42,838	170,759		3		(127,924)
Issuance of common stock under equity-based plans	152	152
Shares repurchased for tax withholdings on RSU vesting	(660)	(660)
Stock-based compensation	3,321	3,321
Changes in other comprehensive income (loss)	(2)			(2)
Net income (loss)	(439)					(439)
BALANCE at Jul. 31, 2021	45,210	173,572		1		(128,363)
BALANCE at Jan. 31, 2022	51,056	179,864		(20)		(128,788)
Issuance of common stock under equity-based plans	1,554	1,554
Shares repurchased for tax withholdings on RSU vesting	(348)	(348)
Stock-based compensation	3,337	3,337
Changes in other comprehensive income (loss)	(39)			(39)
Net income (loss)	(766)					(766)
BALANCE at Apr. 30, 2022	54,794	184,407		(59)		(129,554)
BALANCE at Jan. 31, 2022	51,056	179,864		(20)		(128,788)
Net income (loss)	(428)
BALANCE at Jul. 31, 2022	58,300	187,576		(60)		(129,216)
BALANCE at Apr. 30, 2022	54,794	184,407		(59)		(129,554)
Shares repurchased for tax withholdings on RSU vesting	(336)	(336)
Stock-based compensation	3,505	3,505
Changes in other comprehensive income (loss)	(1)			(1)
Net income (loss)	338					338
BALANCE at Jul. 31, 2022	$ 58,300	$ 187,576		$ (60)		$ (129,216)

[1] Additional paid-in capital

[2] Accumulated other comprehensive (loss) income