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Note 9 - Property and Equipment | 12 Months Ended
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Jan. 31, 2022
Notes to Financial Statements |
Property, Plant and Equipment Disclosure [Text Block] | 9. Property and Equipment Property and equipment from continuing operations consisted of the following (in thousands)
|  | As of January 31, |
|  | 2022 |  |  | 2021 |
Furniture and fixtures |  |  | 9,865 |  |  |  | 9,750 |
Autos and trucks |  |  | 495 |  |  |  | 491 |
Marine seismic service equipment |  |  | 3,880 |  |  |  | 5,969 |
Land and buildings |  |  | 4,555 |  |  |  | 4,354 |
Cost of property and equipment |  |  | 18,795 |  |  |  | 20,564 |
Less accumulated depreciation |  |  | (14,523 | ) |  |  | (15,813 | )
Net book value of property and equipment |  | $ | 4,272 |  |  | $ | 4,751 |
Location of property and equipment (in thousands):
|  | As of January 31, |
|  | 2022 |  |  | 2021 |
United States |  | $ | 3,068 |  |  | $ | 3,133 |
Europe |  |  | 46 |  |  |  | 87 |
Singapore |  |  | 332 |  |  |  | 480 |
Malaysia |  |  | 826 |  |  |  | 1,051 |
Net book value of property and equipment |  | $ | 4,272 |  |  | $ | 4,751 |

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