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Assets Held for Sale and Discontinued Operations - Schedule of Discontinued Operations, Income Statement (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jul. 31, 2021 | Jul. 31, 2020 | Jul. 31, 2021 | Jul. 31, 2020 | Jan. 31, 2021 | Jan. 31, 2020
Operating expenses: |  |  |  |  |  |
Loss on disposal (including $2,745 of cumulative translation loss) |  |  | $ 0 | $ (1,859) | $ (1,859) | $ 0
Net income (loss) | $ 79 | $ (4,708) | (204) | (4,923) | (6,304) | (4,744)
Discontinued Operations, Held-for-sale |  |  |  |  |  |
Revenues: |  |  |  |  |  |
Revenue from discontinued operations | 757 | 1,230 | 787 | 5,418 | 5,747 | 12,756
Cost of sales: |  |  |  |  |  |
Cost of discontinued operations | 332 | 1,642 | 705 | 4,126 | 4,537 | 9,089
Operating expenses: |  |  |  |  |  |
Selling, general and administrative | 378 | 1,476 | 720 | 3,176 | 4,589 | 5,576
(Recovery) provisions for doubtful accounts | (2) | 470 | (445) | 470 | 470 | 2,000
Depreciation and amortization | 2 | 41 | 3 | 85 | 132 | 176
Total operating expenses | 378 | 1,987 | 278 | 3,731 | 5,191 | 7,752
Operating income (loss) | 47 | (2,399) | (196) | (2,439) | (3,981) | (4,085)
Other income (expenses) | 35 | 72 | (4) | 75 | 201 | (134)
Loss on disposal (including $2,745 of cumulative translation loss) | 0 | (1,859) | 0 | (1,859) | (1,859) | 0
Cumulative translation loss |  | 2,745 |  | 2,745 | 2,745 | 2,745
Income (loss) before income taxes | 82 | (4,186) | (200) | (4,223) | (5,639) | (4,219)
Provision for income taxes | (3) | (522) | (4) | (700) | (665) | (525)
Net income (loss) | $ 79 | $ (4,708) | $ (204) | $ (4,923) | $ (6,304) | $ (4,744)

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- Definition Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3B -URI http://asc.fasb.org/extlink&oid=109222160&loc=SL51721525-107759 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 20 -Section 45 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123586238&loc=d3e38679-109324 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109222160&loc=d3e1012-107759 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3A -URI http://asc.fasb.org/extlink&oid=109222160&loc=SL51721523-107759 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I.7) -URI http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5C -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721675-107760 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32672-109319 + Details
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