Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2023	Apr. 30, 2022
Cash flows from operating activities:
Net loss	$ (714)	$ (2,996)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation expense	64	67
Discount accretion and premium amortization on marketable securities	(8)
Provision for credit losses	34	88
Stock-based compensation expense	361	284
Realized and unrealized foreign currency transaction loss	84	357
Changes in operating assets and liabilities:
Accounts receivable	3,156	1,351
Unbilled receivables, net	(564)	104
Prepaid expenses and other current assets and other assets	(455)	(359)
Accounts payable	284	(652)
Accrued expenses and other liabilities	(1,572)	79
Deferred revenue	(91)	934
Net cash provided by (used in) operating activities	579	(743)
Cash flows from investing activities:
Purchases of property and equipment		(15)
Proceeds from sales of marketable securities	500
Purchases of marketable securities	(667)
Net cash used in investing activities	(167)	(15)
Cash flows from financing activities:
Effect of exchange rate on cash, cash equivalents and restricted cash	(26)	(328)
Net (decrease) increase in cash, cash equivalents and restricted cash	386	(1,086)
Cash, cash equivalents and restricted cash at beginning of period	13,726	17,856
Cash, cash equivalents and restricted cash at end of period	14,112	$ 16,770
Non-cash activities:
Cumulative adjustment to retained earnings pursuant to adoption of ASC 326	$ (218)