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PROPERTY AND EQUIPMENT, NET | 12 Months Ended
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Feb. 28, 2022
PROPERTY AND EQUIPMENT, NET |
PROPERTY AND EQUIPMENT, NET | 6. PROPERTY AND EQUIPMENT, NET Property and equipment, net, consisted of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of | ​ | As of
​ | ​ | February 28, | ​ | February 28,
​ |  | 2021 |  | 2022
​ | ​ | ​ | ​ | ​ | ​ | ​
Building | ​ | $ | 64,246 | ​ | $ | 65,922
Leasehold improvement | ​ |  | 446,203 | ​ |  | 115,760
Computer, network equipment and software | ​ |  | 260,265 | ​ |  | 173,685
Vehicles | ​ |  | 877 | ​ |  | 899
Office equipment and furniture | ​ |  | 34,571 | ​ |  | 19,071
Construction in progress | ​ | ​ | 59,492 | ​ | ​ | 151,437
​ | ​ | ​ | ​ | ​ | ​ | ​
Total cost of property and equipment | ​ |  | 865,654 | ​ |  | 526,774
Less: accumulated depreciation | ​ |  | (354,239) | ​ |  | (215,589)
Less: accumulated impairment loss | ​ | ​ | — | ​ | ​ | (29,959)
​ | ​ | $ | 511,415 | ​ | $ | 281,226
​ For the years ended February 29, 2020, February 28, 2021 and 2022, depreciation expenses were $99,511, $136,960 and $171,354, respectively. During the fiscal year ended February 28, 2022, $255,959 impairment loss was recorded for certain property and equipment and the leasehold improvements of certain learning centers and offices. Accumulated impairment amounting to $226,000 was written off along with underlying property and equipment and leasehold improvement which were disposed or fully impaired in fiscal year 2022, resulting from the cessation of K9 Academic AST Services in the mainland of China. In December 2019, the Group entered into contracts for the development of office space on parcels in Beijing and Jiangsu. The direct costs related to the construction were capitalized as construction in progress for the years ended February 29, 2020, February 28, 2021 and 2022.

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=120429125&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=120429125&loc=SL120174063-112916 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120429125&loc=d3e99779-112916 + Details
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