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Summary of Significant Accounting Policies (Details Textual)			1 Months Ended		3 Months Ended			12 Months Ended
	Jan. 04, 2019 USD ($)	Jan. 04, 2019 CNY (¥)	Dec. 29, 2018 USD ($)	Dec. 29, 2018 CNY (¥)	Mar. 31, 2019 USD ($)	Mar. 31, 2019 CNY (¥)	Mar. 31, 2018 USD ($)	Dec. 31, 2018 USD ($)
Summary of Significant Accounting Policies (Textual)
Accounts receivable					$ 49,395,722			$ 11,755,251
Accounts receivable, description					The Company had gross accounts receivable of $52,959,990; of which, $36.69 million was for transferring the ownership of Huayu and Shenqiu Phase I and II systems to Mr. Bai but waiting for completion of transfer Mr. Bai's all the equity shares of his wholly owned company, Xi'an Hanneng, to HYREF; $11.88 million was from the sales of CDQ and a CDQ WHPG system to Zhongtai, and $4.39 million accounts receivable of Erdos TCH for the electricity sold.	The Company had gross accounts receivable of $52,959,990; of which, $36.69 million was for transferring the ownership of Huayu and Shenqiu Phase I and II systems to Mr. Bai but waiting for completion of transfer Mr. Bai's all the equity shares of his wholly owned company, Xi'an Hanneng, to HYREF; $11.88 million was from the sales of CDQ and a CDQ WHPG system to Zhongtai, and $4.39 million accounts receivable of Erdos TCH for the electricity sold.
Interest receivable on sales type leases					$ 5,434,301			9,336,140
Asset impairment loss					28,429,789
Bad debt allowance for net investment receivable					$ 22,534,192			29,276,658
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 on January 1, 2018.	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 on 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					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.	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.
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
Pucheng systems [Member]
Summary of Significant Accounting Policies (Textual)
Bad debt allowance for net investment receivable					$ 22,001,786
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

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