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Property and Equipment (Details) - USD ($) $ in Thousands	Jul. 31, 2022	Jan. 31, 2022
Property, Plant and Equipment [Line Items]
Cost	$ 47,355	$ 45,471
Accumulated depreciation	35,955	34,654
Net	11,400	10,817
Computer Equipment
Property, Plant and Equipment [Line Items]
Cost	42,553	40,937
Accumulated depreciation	32,620	31,660
Furniture and Fixtures
Property, Plant and Equipment [Line Items]
Cost	1,629	1,553
Accumulated depreciation	1,321	1,257
Leasehold Improvements
Property, Plant and Equipment [Line Items]
Cost	1,024	822
Accumulated depreciation	591	531
Equipment Installed With Customers
Property, Plant and Equipment [Line Items]
Cost	1,680	1,635
Accumulated depreciation	1,423	1,206
Asset under Construction
Property, Plant and Equipment [Line Items]
Cost	$ 469	$ 524

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- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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