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RELATED PARTY TRANSACTIONS (Narrative) (Details) $ / shares in Units, ¥ in Thousands |  |  | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 12, 2014 USD ($) | Sep. 12, 2014 CNY (¥) | Sep. 05, 2014 USD ($) | Sep. 05, 2014 CNY (¥) | Aug. 27, 2014 $ / shares shares | Dec. 31, 2015 USD ($) | Dec. 31, 2015 CNY (¥) | Dec. 31, 2014 USD ($) | Mar. 01, 2014 USD ($) | Mar. 01, 2014 CNY (¥)
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Advance to related party |  |  |  |  |  | $ 44,059 |  | $ 40,954 |  |
Shares Resale Period |  |  |  |  | 180 days |  |  |  |  |
Share Price | $ / shares |  |  |  |  | $ 1.49 |  |  |  |  |
Loan Agreement [Member] |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Debt Instrument, Unused Borrowing Capacity, Amount |  |  |  |  |  |  |  |  | $ 13,000,000 | ¥ 80,000
Mr. Ku [Member] | Loan Agreement [Member] |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Advance to related party |  |  |  |  |  | 44,059 |  | 40,954 |  |
Long-term Debt, Gross |  |  |  |  |  | 0 |  | $ 0 |  |
Mr. Guohua Ku [Member] |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Stock Trading Days |  |  |  |  | 15 days |  |  |  |  |
Stock Issued During Period, Shares, Other | shares |  |  |  |  | 13,829,074 |  |  |  |  |
Sale of Stock, Price Per Share | $ / shares |  |  |  |  | $ 1.37 |  |  |  |  |
Mr. Guohua Ku [Member] | Installments One [Member] |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Common Stock |  |  | $ 12,000,000 | ¥ 74,050 |  |  |  |  |  |
Mr. Guohua Ku [Member] | Installments Two [Member] |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Common Stock | $ 6,910,000 | ¥ 42,850 |  |  |  |  |  |  |  |
Pucheng Xin Heng Yuan Biomass Power Generation Corporation [Member] |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Interest Income, Related Party |  |  |  |  |  | 4,890,000 | ¥ 30,470 |  |  |
Qitaihe City Boli Yida Coal Selection Co., Ltd [Member] |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Interest Income, Related Party |  |  |  |  |  | $ 5,350,000 | ¥ 33,340 |  |  |

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