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SEGMENT REPORTING (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Jan. 31, 2021 USD ($) item | Jan. 31, 2020 USD ($) | Jan. 31, 2019 USD ($) | Jan. 31, 2018 USD ($)
Segment Reporting Information |  |  |  |
Operating segment | item | 1 |  |  |
Revenues | $ 392,206 | $ 238,997 | $ 482,153 |
Cost of revenues | 330,139 | 245,817 | 399,715 |
Gross (loss) profit | 62,067 | (6,820) | 82,438 |
Selling, general and administrative expenses | 39,041 | 44,125 | 40,710 |
Impairment losses | 0 | 4,895 | 1,491 |
(Loss) income from operations | 23,026 | (55,840) | 40,237 |
Other income, net | 1,859 | 8,075 | 6,981 |
Income (loss) before income taxes | 24,885 | (47,765) | 47,218 |
Income tax (expense) benefits (Note 13) | (1,074) | 7,053 | 4,651 |
Net income (loss) | 23,811 | (40,712) | 51,869 |
Amortization of intangibles | 904 | 1,136 | 1,012 |
Depreciation | 3,715 | 3,513 | 3,422 |
Property, plant and equipment additions | 1,697 | 7,058 | 8,599 |
Current assets | 546,220 | 421,755 | 416,348 |
Current liabilities | 276,087 | 144,034 | 81,316 |
Goodwill | 27,943 | 27,943 | 32,838 | $ 34,329
Total assets | 602,630 | 487,540 | 476,648 |
Other |  |  |  |
Segment Reporting Information |  |  |  |
Selling, general and administrative expenses | 7,901 | 7,345 | 7,277 |
(Loss) income from operations | (7,901) | (7,345) | (7,277) |
Other income, net | 82 | 540 | 461 |
Income (loss) before income taxes | (7,819) | (6,805) | (6,816) |
Depreciation | 5 | 5 | 14 |
Property, plant and equipment additions |  | 11 | 3 |
Current assets | 161,695 | 76,794 | 66,071 |
Current liabilities | 985 | 1,279 | 968 |
Total assets | 162,212 | 84,636 | 67,019 |
Intercompany Eliminations |  |  |  |
Segment Reporting Information |  |  |  |
Revenues | 4,300 | 3,300 | 800 |
Power Services |  |  |  |
Segment Reporting Information |  |  |  |
Revenues | 319,353 | 135,729 | 367,812 |
Cost of revenues | 266,993 | 152,854 | 297,931 |
Gross (loss) profit | 52,360 | (17,125) | 69,881 |
Selling, general and administrative expenses | 21,795 | 26,835 | 23,741 |
Impairment losses |  | 2,072 |  |
(Loss) income from operations | 30,565 | (46,032) | 46,140 |
Other income, net | 1,777 | 7,535 | 5,120 |
Income (loss) before income taxes | 32,342 | (38,497) | 51,260 |
Amortization of intangibles | 242 | 291 | 350 |
Depreciation | 704 | 694 | 749 |
Property, plant and equipment additions | 1,043 | 5,069 | 3,156 |
Current assets | 360,552 | 320,257 | 317,708 |
Current liabilities | 261,030 | 135,518 | 66,085 |
Goodwill | 18,476 | 18,476 | 20,548 |
Total assets | 394,014 | 352,034 | 347,189 |
Industrial Services |  |  |  |
Segment Reporting Information |  |  |  |
Revenues | 65,263 | 94,682 | 101,673 |
Cost of revenues | 57,257 | 85,859 | 92,097 |
Gross (loss) profit | 8,006 | 8,823 | 9,576 |
Selling, general and administrative expenses | 7,358 | 7,810 | 7,904 |
Impairment losses |  | 2,823 | 1,491 |
(Loss) income from operations | 648 | (1,810) | 181 |
Other income, net |  |  | 1,400 |
Income (loss) before income taxes | 648 | (1,810) | 1,581 |
Amortization of intangibles | 662 | 664 | 662 |
Depreciation | 2,592 | 2,418 | 2,293 |
Property, plant and equipment additions | 338 | 1,638 | 4,750 |
Current assets | 22,014 | 21,766 | 28,878 |
Current liabilities | 13,119 | 6,441 | 13,384 |
Goodwill | 9,467 | 9,467 | 12,290 |
Total assets | 42,998 | 46,321 | 57,168 |
Telecom Services |  |  |  |
Segment Reporting Information |  |  |  |
Revenues | 7,590 | 8,586 | 12,668 |
Cost of revenues | 5,889 | 7,104 | 9,687 |
Gross (loss) profit | 1,701 | 1,482 | 2,981 |
Selling, general and administrative expenses | 1,987 | 2,135 | 1,788 |
(Loss) income from operations | (286) | (653) | 1,193 |
Income (loss) before income taxes | (286) | (653) | 1,193 |
Amortization of intangibles |  | 181 |  |
Depreciation | 414 | 396 | 366 |
Property, plant and equipment additions | 316 | 340 | 690 |
Current assets | 1,959 | 2,938 | 3,691 |
Current liabilities | 953 | 796 | 879 |
Total assets | $ 3,406 | $ 4,549 | $ 5,272 |

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