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v3.23.1

Property, plant and equipment and construction in progress (Tables) | 12 Months Ended
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Dec. 31, 2022
Property, plant and equipment and construction in progress |
Schedule of Property, plant and equipment and construction in progress | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
​ |  | 2022 |  | 2021
Land | ​ | $ | 6,488,400 | ​ | $ | 3,316,537
Buildings | ​ |  | 23,280,880 | ​ |  | 23,255,925
Plant and equipment | ​ |  | 64,532,994 | ​ |  | 64,324,377
Distribution system | ​ |  | 39,544,395 | ​ |  | 39,780,272
Office furniture, fixtures and equipment | ​ |  | 3,109,546 | ​ |  | 3,051,814
Vehicles | ​ |  | 2,525,576 | ​ |  | 2,079,874
Leasehold improvements | ​ |  | 287,980 | ​ |  | 287,980
Lab equipment | ​ |  | 12,456 | ​ |  | 12,456
​ | ​ |  | 139,782,227 | ​ |  | 136,109,235
Less accumulated depreciation | ​ |  | 87,252,682 | ​ |  | 83,162,696
Property, plant and equipment, net | ​ | $ | 52,529,545 | ​ | $ | 52,946,539
Construction in progress | ​ | $ | 3,705,681 | ​ | $ | 710,863
​

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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