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Summary of Significant Accounting Policies (Details Textual) |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Jan. 04, 2019 USD ($) | Jan. 04, 2019 CNY (¥) | Dec. 29, 2018 USD ($) | Dec. 29, 2018 CNY (¥) | Sep. 30, 2019 USD ($) | Sep. 30, 2018 USD ($) | Sep. 30, 2019 USD ($) | Sep. 30, 2018 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2018 CNY (¥)
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |  |  |  |
Accounts receivable |  |  |  |  | $ 43,670,925 |  | $ 43,670,925 |  | $ 11,755,251 |
Accounts receivable, description |  |  |  |  |  |  | The Company had gross accounts receivable of $49.67 million; of which, $34.93 million was for transferring the ownership of Huayu and Shenqiu Phase I and II systems to Mr. Bai which is waiting for completion of transfer Mr. Bai's all the equity shares of his wholly owned company, Xi'an Hanneng, to HYREF; $11.31 million was from the sales of CDQ and a CDQ WHPG system to Zhongtai, and $3.43 million accounts receivable of Erdos TCH for the electricity sold. As of December 31, 2018, the Company had accounts receivable of $15,252,162 (from the sales of CDQ and a CDQ WHPG system to Zhongtai, and accounts receivable of Erdos TCH for electricity sold). |  |  |
Interest receivable on sales type leases |  |  |  |  | 5,173,531 |  | $ 5,173,531 |  | 9,336,140 |
Asset impairment loss |  |  |  |  |  |  | 28,429,789 |  |  |
Bad debt allowance for net investment receivable |  |  |  |  | 24,082,622 |  | 24,082,622 |  | 29,276,658 |
Additional bad debt |  |  |  |  | 2,630,000 |  | $ 2,630,000 |  |  |
Description of corporate income tax rate |  |  |  |  |  |  | The provisions of the Tax Act that may have significant impact on the Company, including the permanent reduction of the corporate income tax rate from 35% to 21% effective for tax years including or commencing January 1, 2018. |  |  |
U.S. corporate income taxes |  |  |  |  |  |  |  | 21.00% |  |
U.S. corporate income taxes for prior |  |  |  |  |  |  |  | 35.00% |  |
Bad debt allowance |  |  |  |  |  |  | $ 3,496,911 |  |  |
Ownership percentage, description |  |  |  |  |  |  | 1) Erdos TCH Energy Saving Development Co., Ltd ("Erdos TCH"), 100% owned by Xi'an TCH (See note 1), 2) Zhonghong, 90% owned by Xi'an TCH and 10% owned by Shanghai TCH, and 3) Zhongxun, 100% owned by Xi'an TCH. |  |  |
Shares purchasable under warrants and option |  |  |  |  | 4,067,641 | $ 9,000 | $ 4,067,641 | $ 9,000 |  |
Xuzhou Tian’an [Member] |  |  |  |  |  |  |  |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |  |  |  |
Asset impairment loss |  |  |  |  |  |  |  |  | 13,512,592 |
Fair value of transfered amount |  |  |  |  |  |  |  |  | 25,580,000 |
Xuzhou Tian’an [Member] | RMB [Member] |  |  |  |  |  |  |  |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |  |  |  |
Fair value of transfered amount | ¥ |  |  |  |  |  |  |  |  |  | ¥ 172,250,000
Shenqiu systems [Member] |  |  |  |  |  |  |  |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |  |  |  |
Bad debt allowance for net investment receivable |  |  |  |  | 7,274,872 |  | 7,274,872 |  |  |
Pucheng systems [Member] |  |  |  |  |  |  |  |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |  |  |  |
Bad debt allowance for net investment receivable |  |  |  |  | $ 22,017,360 |  | 22,017,360 |  |  |
Xuzhou Huayu [Member] |  |  |  |  |  |  |  |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |  |  |  |
Asset impairment loss |  |  |  |  |  |  |  |  | 6,528,120 |
Fair value of transfered amount | $ 17,520,000 |  | $ 27,540,000 |  |  |  |  |  |  |
Xuzhou Huayu [Member] | RMB [Member] |  |  |  |  |  |  |  |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |  |  |  |
Fair value of transfered amount | ¥ |  | ¥ 120,000,000 |  | ¥ 188,639,400 |  |  |  |  |  |
Chengli [Member] |  |  |  |  |  |  |  |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |  |  |  |
Asset impairment loss |  |  |  |  |  |  |  |  | $ 8,124,968 |
Zhongtai [Member] |  |  |  |  |  |  |  |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |  |  |  |
Bad debt allowance |  |  |  |  |  |  | 5,655,389 |  |  |
Erdos TCH [Member] |  |  |  |  |  |  |  |  |  |
Summary of Significant Accounting Policies (Textual) |  |  |  |  |  |  |  |  |  |
Bad debt allowance |  |  |  |  |  |  | $ 342,686 |  |  |

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