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v3.19.1

SEGMENT REPORTING (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 31, 2019 USD ($) | Oct. 31, 2018 USD ($) | Jul. 31, 2018 USD ($) | Apr. 30, 2018 USD ($) | Jan. 31, 2018 USD ($) | Oct. 31, 2017 USD ($) | Jul. 31, 2017 USD ($) | Apr. 30, 2017 USD ($) | Jan. 31, 2019 USD ($) item | Jan. 31, 2018 USD ($) | Jan. 31, 2017 USD ($)
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Operating segment | item |  |  |  |  |  |  |  |  | 1 |  |
Revenues | $ 87,658 | $ 116,459 | $ 136,670 | $ 141,366 | $ 169,578 | $ 232,945 | $ 259,803 | $ 230,489 | $ 482,153 | $ 892,815 | $ 675,047
Cost of revenues |  |  |  |  |  |  |  |  | 399,715 | 743,490 | 528,336
Gross profit | 6,746 | 29,532 | 30,708 | 15,452 | 20,104 | 37,718 | 51,407 | 40,096 | 82,438 | 149,325 | 146,711
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 40,710 | 41,764 | 32,478
Impairment loss |  |  |  |  |  |  |  |  | 1,491 | 584 | 1,979
Income (loss) from operations | (4,293) | $ 18,385 | $ 20,330 | $ 5,815 | 8,163 | $ 27,599 | $ 40,608 | $ 30,607 | 40,237 | 106,977 | 112,254
Other income, net |  |  |  |  |  |  |  |  | 6,981 | 5,648 | 2,278
Income (loss) before income taxes |  |  |  |  |  |  |  |  | 47,218 | 112,625 | 114,532
Income tax benefit (expense) |  |  |  |  |  |  |  |  | 4,651 | (40,279) | (37,106)
Net income |  |  |  |  |  |  |  |  | 51,869 | 72,346 | 77,426
Amortization of purchased intangible assets |  |  |  |  |  |  |  |  | 1,012 | 1,032 | 1,163
Depreciation |  |  |  |  |  |  |  |  | 3,422 | 2,779 | 2,043
Property, plant and equipment additions |  |  |  |  |  |  |  |  | 8,599 | 4,826 | 2,811
Current assets | 416,348 |  |  |  | 485,027 |  |  |  | 416,348 | 485,027 |
Current liabilities | 82,276 |  |  |  | 183,262 |  |  |  | 82,276 | 183,262 |
Goodwill | 32,838 |  |  |  | 34,329 |  |  |  | 32,838 | 34,329 | 34,913
Total assets | 476,648 |  |  |  | 542,669 |  |  |  | 476,648 | 542,669 | 644,488
Power Services |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 367,812 | 814,544 | 586,628
Cost of revenues |  |  |  |  |  |  |  |  | 297,931 | 675,362 | 452,599
Gross profit |  |  |  |  |  |  |  |  | 69,881 | 139,182 | 134,029
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 23,741 | 23,356 | 17,588
Impairment loss |  |  |  |  |  |  |  |  |  |  | 1,979
Income (loss) from operations |  |  |  |  |  |  |  |  | 46,140 | 115,826 | 114,462
Other income, net |  |  |  |  |  |  |  |  | 5,120 | 5,391 | 2,145
Income (loss) before income taxes |  |  |  |  |  |  |  |  | 51,260 | 121,217 | 116,607
Amortization of purchased intangible assets |  |  |  |  |  |  |  |  | 350 | 350 | 350
Depreciation |  |  |  |  |  |  |  |  | 749 | 885 | 665
Property, plant and equipment additions |  |  |  |  |  |  |  |  | 3,156 | 1,362 | 1,005
Current assets | 317,708 |  |  |  |  |  |  |  | 317,708 |  |
Current liabilities | 67,045 |  |  |  |  |  |  |  | 67,045 |  |
Goodwill | 20,548 |  |  |  | 20,548 |  |  |  | 20,548 | 20,548 | 20,548
Total assets | 347,189 |  |  |  | 432,932 |  |  |  | 347,189 | 432,932 | 488,431
Industrial Services |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 101,673 | 65,303 | 78,994
Cost of revenues |  |  |  |  |  |  |  |  | 92,097 | 58,283 | 68,354
Gross profit |  |  |  |  |  |  |  |  | 9,576 | 7,020 | 10,640
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 7,904 | 7,401 | 6,264
Impairment loss |  |  |  |  |  |  |  |  | 1,491 | 584 |
Income (loss) from operations |  |  |  |  |  |  |  |  | 181 | (965) | 4,376
Other income, net |  |  |  |  |  |  |  |  | 1,400 |  |
Income (loss) before income taxes |  |  |  |  |  |  |  |  | 1,581 | (965) | 4,376
Amortization of purchased intangible assets |  |  |  |  |  |  |  |  | 662 | 682 | 813
Depreciation |  |  |  |  |  |  |  |  | 2,293 | 1,607 | 1,165
Property, plant and equipment additions |  |  |  |  |  |  |  |  | 4,750 | 2,837 | 1,238
Current assets | 28,878 |  |  |  |  |  |  |  | 28,878 |  |
Current liabilities | 13,384 |  |  |  |  |  |  |  | 13,384 |  |
Goodwill | 12,290 |  |  |  | 13,781 |  |  |  | 12,290 | 13,781 | 14,365
Total assets | 57,168 |  |  |  | 44,849 |  |  |  | 57,168 | 44,849 | 47,316
Telecom Services |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 12,668 | 12,968 | 9,425
Cost of revenues |  |  |  |  |  |  |  |  | 9,687 | 9,845 | 7,383
Gross profit |  |  |  |  |  |  |  |  | 2,981 | 3,123 | 2,042
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 1,788 | 1,395 | 1,430
Income (loss) from operations |  |  |  |  |  |  |  |  | 1,193 | 1,728 | 612
Income (loss) before income taxes |  |  |  |  |  |  |  |  | 1,193 | 1,728 | 612
Depreciation |  |  |  |  |  |  |  |  | 366 | 274 | 201
Property, plant and equipment additions |  |  |  |  |  |  |  |  | 690 | 625 | 563
Current assets | 3,691 |  |  |  |  |  |  |  | 3,691 |  |
Current liabilities | 879 |  |  |  |  |  |  |  | 879 |  |
Total assets | 5,272 |  |  |  | 4,873 |  |  |  | 5,272 | 4,873 | 4,318
Other |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 7,277 | 9,612 | 7,196
Income (loss) from operations |  |  |  |  |  |  |  |  | (7,277) | (9,612) | (7,196)
Other income, net |  |  |  |  |  |  |  |  | 461 | 257 | 133
Income (loss) before income taxes |  |  |  |  |  |  |  |  | (6,816) | (9,355) | (7,063)
Depreciation |  |  |  |  |  |  |  |  | 14 | 13 | 12
Property, plant and equipment additions |  |  |  |  |  |  |  |  | 3 | 2 | 5
Current assets | 66,071 |  |  |  |  |  |  |  | 66,071 |  |
Current liabilities | 968 |  |  |  |  |  |  |  | 968 |  |
Total assets | $ 67,019 |  |  |  | $ 60,015 |  |  |  | 67,019 | 60,015 | 104,423
Intercompany Eliminations |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 800 | $ 2,200 | $ 1,000

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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68048583&loc=d3e3636-108311 + Details
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