CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock and Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Accumulated Deficit Cumulative Effect, Period of Adoption, Adjustment
BALANCE at Jan. 31, 2019	$ 33,047		$ 138,852	$ (10)	$ (105,795)
BALANCE, Shares at Jan. 31, 2019			20,312,102
Issuance of common stock under equity-based plans	2,951		$ 2,951
Issuance of common stock under equity based plans, Shares			1,515,111
Shares repurchased for tax withholdings on vesting of RSUs	(1,523)		$ (1,523)
Shares repurchased for tax withholdings on vesting of RSUs, Shares			(111,085)
Stock-based compensation	12,717		$ 12,717
Other comprehensive income (loss)	24			24
Net loss	(18,801)				(18,801)
Accounting Standards Update [Extensible List]		us-gaap:AccountingStandardsUpdate201409Member				us-gaap:AccountingStandardsUpdate201409Member
BALANCE at Jan. 31, 2020	28,415		$ 152,997	14	(124,596)
BALANCE, Shares at Jan. 31, 2020			21,716,128
Issuance of common stock under equity-based plans	2,950		$ 2,950
Issuance of common stock under equity based plans, Shares			1,279,820
Shares repurchased for tax withholdings on vesting of RSUs	(1,641)		$ (1,641)
Shares repurchased for tax withholdings on vesting of RSUs, Shares			(122,928)
Stock-based compensation	12,275		$ 12,275
Other comprehensive income (loss)	(7)			(7)
Net loss	(2,441)				(2,441)
BALANCE at Jan. 31, 2021	39,551		$ 166,581	7	(127,037)
BALANCE, Shares at Jan. 31, 2021			22,873,020
Issuance of common stock under equity-based plans	2,706		$ 2,706
Issuance of common stock under equity based plans, Shares			1,168,245
Shares repurchased for tax withholdings on vesting of RSUs	(2,105)		$ (2,105)
Shares repurchased for tax withholdings on vesting of RSUs, Shares			(105,072)
Stock-based compensation	12,682		$ 12,682
Other comprehensive income (loss)	(27)			(27)
Net loss	(1,751)				(1,751)
BALANCE at Jan. 31, 2022	$ 51,056		$ 179,864	$ (20)	$ (128,788)
BALANCE, Shares at Jan. 31, 2022			23,936,193