Accumulated Other Comprehensive Loss - Changes in Balance of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Schedule of Capitalization, Equity [Line Items]
Beginning Balance	$ 81,012	$ 74,683	$ 71,375
Other Comprehensive Income (Loss)	(490)	(1,364)	709
Ending Balance	84,367	81,012	74,683
Foreign Currency Translation Adjustments [Member]
Schedule of Capitalization, Equity [Line Items]
Beginning Balance	(1,701)	(275)	(985)
Other Comprehensive Income (Loss) before reclassification	(537)	(1,426)	710
Other Comprehensive Income (Loss)	(537)	(1,426)	710
Ending Balance	(2,238)	(1,701)	(275)
Net Unrealized Gain/(Loss) on Cash Flow Hedges [Member]
Schedule of Capitalization, Equity [Line Items]
Beginning Balance	(47)	(109)	(108)
Other Comprehensive Income (Loss) before reclassification			(239)
Amounts reclassified from AOCL to Earnings	47	62	193
Cross-Currency Interest Rate Swap Termination			45
Other Comprehensive Income (Loss)	47	62	(1)
Ending Balance		(47)	(109)
Accumulated Other Comprehensive Income (Loss) [Member]
Schedule of Capitalization, Equity [Line Items]
Beginning Balance	(1,748)	(384)	(1,093)
Other Comprehensive Income (Loss) before reclassification	(537)	(1,426)	471
Amounts reclassified from AOCL to Earnings	47	62	193
Cross-Currency Interest Rate Swap Termination			45
Other Comprehensive Income (Loss)	(490)	(1,364)	709
Ending Balance	$ (2,238)	$ (1,748)	$ (384)