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PROPERTY, PLANT AND EQUIPMENT, NET | 12 Months Ended
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Mar. 31, 2023
PROPERTY, PLANT AND EQUIPMENT, NET |
PROPERTY, PLANT AND EQUIPMENT, NET | NOTE 10 - PROPERTY, PLANT AND EQUIPMENT, NET ​
​ | ​ | ​ | ​ | ​ | ​ | ​
Property, plant and equipment, net consisted of the following as of: |  | March 31, 2023 |  | March 31, 2022
Land | ​ | $ | 110,113 | ​ | $ | 110,113
Building and improvements | ​ |  | 3,293,986 | ​ |  | 3,289,901
Machinery equipment, furniture, and fixtures | ​ |  | 23,018,713 | ​ |  | 20,860,152
Construction-in-progress | ​ |  | 149,576 | ​ |  | —
Total property, plant, and equipment | ​ |  | 26,572,388 | ​ |  | 24,260,166
Less: accumulated depreciation | ​ |  | (12,658,364) | ​ |  | (11,107,001)
Total property, plant and equipment, net | ​ | $ | 13,914,024 | ​ | $ | 13,153,165
​ ​ We capitalize interest on borrowings during active construction period for major capital projects. Capitalized interest is added to the cost of the underlying assets and is amortized over the useful lives of the assets. Capitalized interest for the years ended March 31, 2023 and 2022 were $14,297 and $0, respectively.

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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 https://asc.fasb.org/extlink&oid=126982197&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI https://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 https://asc.fasb.org/extlink&oid=126982197&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 https://asc.fasb.org/extlink&oid=126982197&loc=d3e99779-112916 + Details
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