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Commitments and Contingencies (Narrative) (Details) |  |  | 1 Months Ended | 2 Months Ended | 9 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 08, 2018 USD ($) | Nov. 08, 2018 CNY (¥) | Jul. 07, 2016 USD ($) | Jul. 07, 2016 CNY (¥) | Feb. 28, 2018 USD ($) | Feb. 28, 2018 CNY (¥) | Dec. 19, 2017 USD ($) | Dec. 19, 2017 CNY (¥) | Jun. 30, 2017 USD ($) | Jun. 30, 2017 CNY (¥) | May 31, 2017 USD ($) | Sep. 30, 2018 USD ($) | Sep. 30, 2018 CNY (¥) | Oct. 16, 2018 USD ($) | Oct. 16, 2018 CNY (¥) | Sep. 30, 2018 CNY (¥) | Dec. 31, 2017 USD ($) | Sep. 01, 2017 USD ($) | Sep. 01, 2017 CNY (¥) | May 31, 2017 CNY (¥) | Sep. 07, 2016 USD ($) | Sep. 07, 2016 CNY (¥)
Capital injection from BAK Asia to BAK Power |  |  |  |  |  |  |  |  |  |  | $ 9,495,974 |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  | $ 0 |  |  |  |  |
Shenzhen Huijie - July 7, 2016 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Damages Sought, Value |  |  | $ 1,227,583 | ¥ 8,430,792 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank deposits frozen |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,227,583 | ¥ 8,430,792 |  | $ 1,227,583 | ¥ 8,430,792
Shenzhen Huijie - July 7, 2016 [Member] | Construction costs [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Damages Sought, Value |  |  | 900,000 | 6,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation Settlement, Amount Awarded to Other Party | $ 1,330,186 | ¥ 9,129,868 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  | 900,000 |  |  |  | ¥ 6,100,000 |  |  |  |  |  |
Payments for Legal Settlements |  |  |  |  |  |  |  |  |  |  |  | 1,600,000 | ¥ 11,000,000 |  |  |  |  |  |  |  |  |
Shenzhen Huijie - July 7, 2016 [Member] | Interest [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Damages Sought, Value |  |  | 29,812 | 200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shenzhen Huijie - July 7, 2016 [Member] | Compensation [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Damages Sought, Value |  |  | $ 300,000 | ¥ 1,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shenzhen Huijie - July 7, 2016 [Member] | Remaining contract amount [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation Settlement, Amount Awarded to Other Party |  |  |  |  |  |  |  |  | $ 900,000 | ¥ 6,135,860 |  |  |  |  |  |  |  |  |  |  |  |
Shenzhen Huijie - July 7, 2016 [Member] | Other expenses [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation Settlement, Amount Awarded to Other Party |  |  |  |  |  |  |  |  | $ 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Shenzhen Huijie - late February 2018 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Damages Sought, Value |  |  |  |  | $ 35,665 | ¥ 244,942 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 11,218 | ¥ 77,043 |  |  |  |  |  |  |
Shenzhen Huijie - late February 2018 [Member] | Construction costs [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Damages Sought, Value |  |  |  |  | 34,762 | 238,735 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shenzhen Huijie - late February 2018 [Member] | Interest [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Damages Sought, Value |  |  |  |  | $ 904 | ¥ 6,207 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Anyuan Bus [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain Contingency, Unrecorded Amount |  |  |  |  |  |  |  |  |  |  | 2,661,676 |  |  |  |  |  |  |  |  | ¥ 18,279,858 |  |
Litigation Settlement, Amount Awarded from Other Party |  |  |  |  |  |  |  |  |  |  |  | $ 2,537,639 | ¥ 17,428,000 |  |  |  |  |  |  |  |  |
Anyuan Bus [Member] | Goods amount [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain Contingency, Unrecorded Amount |  |  |  |  |  |  |  |  |  |  | 2,537,639 |  |  |  |  |  |  |  |  | 17,428,000 |  |
Litigation Settlement, Amount Awarded from Other Party |  |  |  |  |  |  | $ 2,537,639 | ¥ 17,428,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Anyuan Bus [Member] | Interest [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain Contingency, Unrecorded Amount |  |  |  |  |  |  |  |  |  |  | $ 124,037 |  |  |  |  |  |  |  |  | ¥ 851,858 |  |
Anyuan Bus [Member] | Litigation fee [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation Settlement, Amount Awarded from Other Party |  |  |  |  |  |  | $ 19,144 | ¥ 131,480 |  |  |  |  |  |  |  |  |  |  |  |  |  |

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