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Supplemental Cash Flow Information - Cash Flow Changes in Operating Asset and Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Supplemental Cash Flow Information
Trade accounts receivable	$ 151	$ (2,884)	$ 143
Other accounts receivable	2,589	2,042	(7,098)
Prepaid expenses and other	(5,663)	(8,276)	(5,029)
Inventory	103	(498)	99
Accounts payable	(620)	2,336	(686)
Accrued liabilities	2,433	13,760	(999)
Income taxes payable	753	426	3,835
Operating leases	(95)	(259)	283
Deferred revenue	8,142	6,142	5,877
Increase (Decrease) in Operating Capital, Total	$ 7,793	$ 12,789	$ (3,575)

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The amount of increase (decrease) in operating lease liabilities.

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The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.

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The increase (decrease) during the reporting period in the amounts payable to taxing authorities for taxes that are based on the reporting entity's earnings, net of amounts receivable from taxing authorities for refunds of overpayments or recoveries of income taxes, and in deferred and other tax liabilities and assets.

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