Contractual interest rate for funds borrowed, under the debt agreement.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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Amount of interest expense incurred on a debt or other obligation to related party.

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No definition available.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Receivables to be collected from (obligations owed to) related parties, net as of the balance sheet date where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth.

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The cash outflow for the payment of a long-term borrowing made from a related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Payments for Advances from Affiliates.

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Related party balances and transactions (Details Textual) ¥ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($)	Dec. 31, 2018 CNY (¥)	Dec. 31, 2017 USD ($)	Jan. 31, 2019 USD ($)	Jan. 31, 2019 CNY (¥)	Dec. 31, 2018 CNY (¥)	Jul. 20, 2018 USD ($)	Jul. 20, 2018 CNY (¥)	Apr. 28, 2018 USD ($)	Apr. 28, 2018 CNY (¥)	Mar. 01, 2018 USD ($)	Mar. 01, 2018 CNY (¥)
Repayments of Related Party Debt	$ 195,919	¥ 1,300	$ 0
Equity Method Investments											$ 700,000	¥ 4,900
Equity Method Investment, Ownership Percentage			31.294%								49.00%	49.00%
Line of Credit Facility, Maximum Borrowing Capacity	102,581,700		$ 79,774,838
Chief Executive Officer [Member]
Related Party Transaction, Due from (to) Related Party	$ 5,900,000					¥ 39,450
Line of Credit Facility, Maximum Borrowing Capacity							$ 8,800,000	¥ 60,000
Debt Instrument, Interest Rate, Stated Percentage	5.65%					5.65%
Interest Expense, Related Party	$ 141,577
V-Power [Member]
Related Party Transaction, Due from (to) Related Party	$ 300,000			$ 300,000	¥ 2,100	¥ 2,100			$ 300,000	¥ 2,100