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Discontinued operations (Tables) | 3 Months Ended
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Mar. 31, 2021
Discontinued operations - Mexico project development. |
Schedule of financial information for Mexico project development | Summarized financial information for the Mexico project development is as follows:
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | March 31, | ​ | ​ | December 31,
​ | ​ | ​ | 2021 | ​ | ​ | 2020
Cash | ​ | $ | 41,198 | ​ | $ | 154,130
Prepaid expenses and other current assets | ​ | ​ | 115,174 | ​ | ​ | 88,978
Value added taxes receivable | ​ | ​ | 1,256,007 | ​ | ​ | 1,267,991
Property, plant and equipment, net | ​ |  | 4,546 | ​ |  | 5,682
Land and rights of way | ​ |  | 21,126,898 | ​ |  | 21,126,898
Other assets | ​ |  | — | ​ |  | 33,909
Total assets of discontinued operations | ​ | $ | 22,543,823 | ​ | $ | 22,677,588
​ | ​ |  |  | ​ |  |
Total liabilities of discontinued operations | ​ | $ | 102,892 | ​ | $ | 190,933
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended March 31,
​ |  | 2021 |  | 2020
Revenue | ​ | $ | — | ​ | $ | —
Income from operations | ​ | $ | — | ​ | $ | —
Net loss from discontinued operations | ​ | $ | (312,794) | ​ | $ | (316,365)
Gain on sale of discontinued operations | ​ | $ | — | ​ | $ | —
Depreciation expense | ​ | $ | 1,136 | ​ | $ | 1,136

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