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Note 21 - Supplemental Cash Flow Information - Cash Flow Changes in Operating Asset and Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2019
Trade accounts receivable	$ 143	$ 3,733	$ (135)
Other accounts receivable	(7,098)	(2,547)	(451)
Prepaid expenses and other	(5,029)	(5,942)	(4,466)
Inventory	99	(345)	74
Accounts payable	(686)	1,768	(1,065)
Accrued liabilities	(999)	3,265	2,570
Income taxes payable	3,835	(1,550)	(2,423)
Operating leases	283	546
Deferred revenue	5,877	(4,184)	2,047
Increase (Decrease) in Operating Capital, Total	$ (3,575)	$ (5,256)	$ (3,849)

X

- Definition

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

+ References

No definition available.

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- Definition

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.

+ References

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The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.

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The increase (decrease) during the reporting period in the aggregate amount of expenses incurred but not yet paid.

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Amount of increase (decrease) in deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.

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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.

+ References

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The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.

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The increase (decrease) during the reporting period of all assets and liabilities used in operating activities.

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Amount of increase (decrease) in receivables classified as other.

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