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Seismic Equipment Lease Pool and Property and Equipment | 12 Months Ended
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Jan. 31, 2018
Property, Plant and Equipment [Abstract] |
Seismic Equipment Lease Pool and Property and Equipment | Seismic Equipment Lease Pool and Property and Equipment Seismic equipment lease pool and property and equipment consisted of the following (in thousands)
| As of January 31,
| 2018 |  | 2017
Recording channels | $ | 89,397 |  |  | $ | 126,081 |
Other peripheral equipment | 84,877 |  |  | 92,920 |
Cost of seismic equipment lease pool | 174,274 |  |  | 219,001 |
Land and buildings | 3,380 |  |  | 3,379 |
Furniture and fixtures | 10,222 |  |  | 9,462 |
Autos and trucks | 722 |  |  | 675 |
Cost of property and equipment | 14,324 |  |  | 13,516 |
Cost of seismic equipment lease pool and property and equipment | 188,598 |  |  | 232,517 |
Less accumulated depreciation | (165,698 | ) |  | (188,679 | )
Net book value of seismic equipment lease pool and property and equipment | $ | 22,900 |  |  | $ | 43,838 |
As of January 31, 2018 and 2017, the Company completed an annual review of long-lived assets by comparing undiscounted future cash flows to be generated by our lease pool assets to the carrying value of our lease pool assets noting that the undiscounted future cash flows exceeded their carrying value and no impairment has been recorded. Location of seismic equipment lease pool and property and equipment (in thousands):
| As of January 31,
| 2018 |  | 2017
United States | $ | 4,973 |  |  | $ | 16,510 |
Europe | 6,557 |  |  | 7,730 |
Canada | 2,134 |  |  | 8,525 |
Latin America | 2,390 |  |  | 2,317 |
Singapore | 4,793 |  |  | 5,321 |
Australia | 737 |  |  | 1,462 |
Russia | 1,316 |  |  | 1,973 |
Net book value of seismic equipment lease pool and property and equipment | $ | 22,900 |  |  | $ | 43,838 |

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- Definition The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 + Details
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