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Note 9 - Property and Equipment (Tables) | 12 Months Ended
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Jan. 31, 2022
Notes Tables |
Property, Plant and Equipment [Table Text Block] |
|  | 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 |
Schedule Of Property Plant And Equipment By Geographic Area [Table Text Block] |
|  | 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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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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