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Investments in Joint Ventures - Summary of the Financial Information for Equity Accounted Investments (Detail) | 12 Months Ended
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Dec. 31, 2019 USD ($)
Space Gas Inc [Member] |
Schedule of Equity Method Investments [Line Items] |
Current assets | $ 2,237,644
Non-current assets | 13,221,364
Current liabilities | 1,426,128
Long-term liabilities | 5,530,995
Revenues | 3,362,478
Operating income/(loss) | 1,122,467
Net income/(loss) | 854,885
Financial Power Inc [Member] |
Schedule of Equity Method Investments [Line Items] |
Current assets | 1,745,681
Non-current assets | 13,229,810
Current liabilities | 1,583,998
Long-term liabilities | 5,530,995
Revenues | 3,281,896
Operating income/(loss) | 477,559
Net income/(loss) | 212,498
Cannes View Inc [Member] |
Schedule of Equity Method Investments [Line Items] |
Current assets | 2,560,065
Non-current assets | 14,532,274
Current liabilities | 1,702,293
Long-term liabilities | 7,792,274
Revenues | 2,707,338
Operating income/(loss) | 872,331
Net income/(loss) | 627,671
ColoradoOiland Gas Inc [Member] |
Schedule of Equity Method Investments [Line Items] |
Current assets | 2,265,263
Non-current assets | 12,801,053
Current liabilities | 2,488,495
Long-term liabilities | 6,818,237
Revenues | 2,032,648
Operating income/(loss) | (85,071)
Net income/(loss) | (303,415)
Frost Investments Corp Inc [Member] |
Schedule of Equity Method Investments [Line Items] |
Current assets | 13,693,747
Non-current assets | 20,396,424
Current liabilities | 2,653,152
Long-term liabilities | 10,757,210
Revenues | 2,047,026
Operating income/(loss) | (370,748)
Net income/(loss) | $ (420,191)

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