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PROPERTY, PLANT AND EQUIPMENT | 12 Months Ended
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Jan. 31, 2022
PROPERTY, PLANT AND EQUIPMENT |
PROPERTY, PLANT AND EQUIPMENT | NOTE 8 – PROPERTY, PLANT AND EQUIPMENT Property, plant and equipment consisted of the following at January 31, 2022 and 2021: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2022 |  | 2021 |
Land and improvements | ​ | $ | 863 | ​ | $ | 863 | ​
Building and improvements | ​ |  | 5,763 | ​ |  | 5,868 | ​
Furniture, machinery and equipment | ​ |  | 18,924 | ​ |  | 19,132 | ​
Trucks, trailers and other vehicles | ​ |  | 5,895 | ​ |  | 5,315 | ​
Project development costs (Note 3) | ​ | ​ | — | ​ | ​ | 7,545 | ​
​ | ​ |  | 31,445 | ​ |  | 38,723 | ​
Less - accumulated depreciation | ​ |  | 20,985 | ​ |  | 18,362 | ​
Property, plant and equipment, net | ​ | $ | 10,460 | ​ | $ | 20,361 | ​
​ As disclosed in Note 3, the Company determined that the carrying value of project development costs incurred by the Company’s consolidated variable interest entity in preparation for building a new gas-fired power plant became impaired during Fiscal 2022. Accordingly, an impairment loss related to this asset in the amount of $7.9 million was recorded during the period. Depreciation for property, plant and equipment was $3.4 million, $3.7 million and $3.5 million for Fiscal 2022, Fiscal 2021 and Fiscal 2020, respectively, which amounts were charged substantially to selling, general and administrative expenses in each year. The costs of maintenance and repairs were $2.1 million, $1.9 million and $3.4 million for Fiscal 2022, Fiscal 2021 and Fiscal 2020, respectively, which amounts were charged substantially to selling, general and administrative expenses each year as well.

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