Accumulated Other Comprehensive Loss - Changes in Balance of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Schedule of Capitalization, Equity [Line Items]
Beginning Balance	$ 84,367	$ 81,012	$ 74,683
Other Comprehensive Income (Loss)	19	(490)	(1,364)
Ending Balance	90,282	84,367	81,012
Foreign Currency Translation Adjustments [Member]
Schedule of Capitalization, Equity [Line Items]
Beginning Balance	(2,238)	(1,701)	(275)
Other Comprehensive Income (Loss) before reclassification	19	(537)	(1,426)
Other Comprehensive Income (Loss)	19	(537)	(1,426)
Ending Balance	(2,219)	(2,238)	(1,701)
Net Unrealized Gain/(Loss) on Cash Flow Hedges [Member]
Schedule of Capitalization, Equity [Line Items]
Beginning Balance		(47)	(109)
Amounts reclassified from AOCL to Earnings		47	62
Other Comprehensive Income (Loss)		47	62
Ending Balance			(47)
Accumulated Other Comprehensive Income (Loss) [Member]
Schedule of Capitalization, Equity [Line Items]
Beginning Balance	(2,238)	(1,748)	(384)
Other Comprehensive Income (Loss) before reclassification	19	(537)	(1,426)
Amounts reclassified from AOCL to Earnings		47	62
Other Comprehensive Income (Loss)	19	(490)	(1,364)
Ending Balance	$ (2,219)	$ (2,238)	$ (1,748)