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Assets Held for Sale and Discontinued Operations (Tables) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 31, 2021 | Jan. 31, 2021
Discontinued Operations and Disposal Groups [Abstract] |  |
Schedule of Discontinued Operations, Including Balance Sheet, Income Statement, Cash Flow, and Additional Disclosures | The assets reported as held for sale consist of the following:
|  | July 31, 2021 |  |  | January 31, 2021 |
Current assets of discontinued operations: |  |  |  |  |  |  |  |
Accounts receivable, net |  |  | 1,151 |  |  |  | 1,668 |
Inventories, net |  |  | 68 |  |  |  | 352 |
Prepaid expenses and other current assets |  |  | 120 |  |  |  | 150 |
Seismic equipment lease pool and property and equipment, net |  |  | 1,973 |  |  |  | 2,151 |
Total assets of discontinued operations |  | $ | 3,312 |  |  | $ | 4,321 |
The liabilities reported as held for sale consist of the following:
|  | July 31, 2021 |  |  | January 31, 2021 |
Current liabilities of discontinued operations: |  |  |  |  |  |  |  |
Accounts payable |  | $ | 21 |  |  | $ | 59 |
Deferred revenue |  |  | 73 |  |  |  | 73 |
Accrued expenses and other current liabilities |  |  | 611 |  |  |  | 831 |
Total liabilities of discontinued operations |  |  | 705 |  |  |  | 963 |
The results of operations from discontinued operations for the three and six months ended July 31, 2021 and 2020, consist of the following:
|  | For the Three Months Ended July 31, |  |  | For the Six Months Ended July 31, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from discontinued operations |  | $ | 757 |  |  | $ | 1,230 |  |  | $ | 787 |  |  | $ | 5,418 |
Cost of sales: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cost of discontinued operations |  |  | 332 |  |  |  | 1,642 |  |  |  | 705 |  |  |  | 4,126 |
Operating expenses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Selling, general and administrative |  |  | 378 |  |  |  | 1,476 |  |  |  | 720 |  |  |  | 3,176 |
Provision for doubtful accounts |  |  | (2 | ) |  |  | 470 |  |  |  | (445 | ) |  |  | 470 |
Depreciation and amortization |  |  | 2 |  |  |  | 41 |  |  |  | 3 |  |  |  | 85 |
Total operating expenses |  |  | 378 |  |  |  | 1,987 |  |  |  | 278 |  |  |  | 3,731 |
Operating income (loss) |  |  | 47 |  |  |  | (2,399 | ) |  |  | (196 | ) |  |  | (2,439 | )
Other income (expenses) |  |  | 35 |  |  |  | 72 |  |  |  | (4 | ) |  |  | 75 |
Loss on disposal (including $2,745 of cumulative translation loss) |  |  | — |  |  |  | (1,859 | ) |  |  | — |  |  |  | (1,859 | )
Income (loss) before income taxes |  |  | 82 |  |  |  | (4,186 | ) |  |  | (200 | ) |  |  | (4,223 | )
Provision for income taxes |  |  | (3 | ) |  |  | (522 | ) |  |  | (4 | ) |  |  | (700 | )
Net income (loss) |  |  | 79 |  |  |  | (4,708 | ) |  |  | (204 | ) |  |  | (4,923 | )
The significant operating and investing noncash items and capital expenditures related to discontinued operations are summarized below:
|  | For the Six Months Ended July 31, |
|  | 2021 |  |  | 2020 |
Depreciation and amortization |  | $ | — |  |  | $ | 1,771 |
Gross profit from sale of lease pool equipment |  | $ | — |  |  | $ | (1,324 | )
(Recovery) provisions for doubtful accounts |  | $ | (445 | ) |  | $ | 470 |
Loss on disposal of discontinued operations |  | $ | — |  |  | $ | 1,859 |
Sale of used lease pool equipment |  | $ | — |  |  | $ | 1,988 |
Sale of assets held for sale |  | $ | 1,245 |  |  | $ | — |
| The assets reported as held for sale consist of the following:
|  | As of January 31, |
|  | 2021 |  |  | 2020 |
Current assets of discontinued operations: |  |  |  |  |  |  |  |
Accounts receivable, net |  |  | 1,668 |  |  |  | 5,699 |
Inventories, net |  |  | 352 |  |  |  | 605 |
Prepaid expenses and other current assets |  |  | 150 |  |  |  | 227 |
Seismic equipment lease pool and property and equipment, net |  |  | 2,151 |  |  |  | 8,382 |
Total assets of discontinued operations |  | $ | 4,321 |  |  | $ | 14,913 |
The liabilities reported as held for sale consist of the following:
|  | As of January 31, |
|  | 2021 |  |  | 2020 |
Current liabilities of discontinued operations: |  |  |  |  |  |  |  |
Accounts payable |  | $ | 59 |  |  | $ | 884 |
Deferred revenue |  |  | 73 |  |  |  | 34 |
Accrued expenses and other current liabilities |  |  | 831 |  |  |  | 1,886 |
Income taxes payable |  |  | 479 |  |  |  | (74 | )
Total liabilities of discontinued operations |  | $ | 1,442 |  |  | $ | 2,730 |
The results of operations from discontinued operations for the twelve months ended January 31, 2021 and 2020, consist of the following:
|  | Twelve Months Ended January 31, |
|  | 2021 |  |  | 2020 |
Revenues: |  |  |  |  |  |  |  |
Revenue from discontinued operations |  | $ | 5,747 |  |  | $ | 12,756 |
Cost of sales: |  |  |  |  |  |  |  |
Cost of discontinued operations |  |  | 4,537 |  |  |  | 9,089 |
Operating expenses: |  |  |  |  |  |  |  |
Selling, general and administrative |  |  | 4,589 |  |  |  | 5,576 |
Provision for doubtful accounts |  |  | 470 |  |  |  | 2,000 |
Depreciation and amortization |  |  | 132 |  |  |  | 176 |
Total operating expenses |  |  | 5,191 |  |  |  | 7,752 |
Operating loss |  |  | (3,981 | ) |  |  | (4,085 | )
Other income (expenses) |  |  | 201 |  |  |  | (134 | )
Loss on disposal (including $2,745 of cumulative translation loss) |  |  | (1,859 | ) |  |  | — |
Loss before income taxes |  |  | (5,639 | ) |  |  | (4,219 | )
Provision for income taxes |  |  | (665 | ) |  |  | (525 | )
Net loss |  |  | (6,304 | ) |  |  | (4,744 | )
The significant operating and investing noncash items and capital expenditures related to discontinued operations are summarized below:
|  | As of January 31, |
|  | 2021 |  |  | 2020 |
Depreciation and amortization |  | $ | 1,830 |  |  | $ | 4,818 |
Gross profit from sale of lease pool equipment |  | $ | (1,326 | ) |  | $ | (1,145 | )
Provisions for doubtful accounts |  | $ | 470 |  |  | $ | 2,000 |
Loss on disposal of discontinued operations |  | $ | 1,859 |  |  | $ | — |
Sale of used lease pool equipment |  | $ | 2,010 |  |  | $ | 1,415 |
Sale of assets held for sale |  | $ | 1,506 |  |  | $ | — |
Purchase of seismic equipment held for lease |  | $ | (110 | ) |  | $ | (2,955 | )

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