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BUSINESS ACQUISITION AND INVESTMENT IN UNCONSOLIDATED ENTITY - Additional Information (Details) |  |  |  |  |  |  | 1 Months Ended | 6 Months Ended | 12 Months Ended |  |
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Dec. 10, 2021 shares | Nov. 10, 2021 shares | Jun. 03, 2021 USD ($) shares | Jan. 13, 2021 CNY (¥) item shares | Dec. 10, 2019 | Aug. 21, 2018 CNY (¥) shares | Aug. 21, 2018 CNY (¥) | Dec. 31, 2021 CNY (¥) item | Dec. 31, 2021 USD ($) item | Dec. 31, 2020 CNY (¥) | Jun. 30, 2021 CNY (¥) | Jun. 03, 2021 CNY (¥) | Jun. 03, 2021 USD ($) $ / shares | Jan. 13, 2021 USD ($) item $ / shares
Cost Method Investment Ownership Percentage |  |  |  |  |  | 43.00% | 43.00% |  |  | 43.00% |  |  |  |
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures |  |  |  |  |  | 487,057 |  |  |  |  |  |  |  |
Loss (income) from investment in unconsolidated entity |  |  |  |  |  |  |  | ¥ (15,411) | $ (2,423) | ¥ 251,296 |  |  |  |
Reverse stock split |  |  |  |  |  |  |  | 0.2 | 0.2 |  |  |  |  |
Investment loss | ¥ |  |  |  |  |  |  |  |  |  | 251,296 |  |  |  |
Future Gas Station (Beijing) Technology, Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Additional Interest in Subsidiaries | ¥ |  |  |  |  |  | ¥ 10,000,000 | ¥ 10,000,000 |  |  |  |  |  |  |
Equity Method Investment, Additional Information |  |  |  |  |  | As consideration for increasing its affiliates’ interest in FGS from 8% to 43%, the Company will (1) pay a total of RMB 10 million in cash to FGS and (2) issue 487,057 restricted Class A Ordinary Shares of the Company (the “Restricted Shares”) to the other shareholders of FGS within 30 days after FGS finalizes recording the Company’s corresponding interest at the local governmental agency. |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures |  |  |  |  |  | 487,057 |  |  |  |  |  |  |  |
Number of gas stations extending business | item |  |  |  |  |  |  |  | 200 | 200 |  |  |  |  |
Number of Company's subsidiaries who entered into the fourth supplemental agreement to the investment agreement | item |  |  |  | 2 |  |  |  |  |  |  |  |  |  | 2
Stock price | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.61
Fair market value of waived performance goals |  |  |  | ¥ 1,689,807 |  |  |  |  |  |  |  |  |  | $ 261,667
Ownership interest (as a percent) |  |  |  | 51.00% |  |  |  |  |  |  |  |  |  | 51.00%
Remeasurement gain of previously held equity interests in connection with step acquisition | ¥ |  |  |  |  |  |  |  |  |  |  | ¥ 979,254 |  |  |
Amortization expense |  |  |  |  |  |  |  | ¥ 350,000 | $ 55,019 | ¥ 0 |  |  |  |
Investment in Starry Blockchain Energy Pte. Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cost Method Investment Ownership Percentage |  |  |  |  |  |  |  |  |  |  |  | 30.00% | 30.00% |
Payments to Acquire Equity Method Investments | $ |  |  | $ 3,000,000 |  |  |  |  |  |  |  |  |  |  |
Stock price | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  | $ 13.80 |
Ownership interest (as a percent) |  |  |  |  |  |  |  |  |  |  |  | 30.00% | 30.00% |
Fair value of shares issued |  |  |  |  |  |  |  |  |  |  |  | ¥ 27,675,450 | $ 4,327,600 |
Investment loss |  |  |  |  |  |  |  | ¥ 15,411 | $ 2,386 |  |  |  |  |
Starry |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted shares issued for services (in shares) |  | 500,000 |  |  |  |  |  |  |  |  |  |  |  |
Future Gas Station (Beijing) Technology, Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of equity interest to be acquired in exchange for waiver of performance goals |  |  |  | 8.00% |  |  |  |  |  |  |  |  |  | 8.00%
Consideration in shares |  |  |  | 487,057 |  |  |  |  |  |  |  |  |  |
Number of Shares cancelled |  |  |  | 162,352 |  |  |  |  |  |  |  |  |  |
Percentage of deemed consideration of equity. |  |  |  | 8.00% |  |  |  |  |  |  |  |  |  |
Restricted shares | Future Gas Station (Beijing) Technology, Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration in shares |  |  |  | 487,057 |  |  |  |  |  |  |  |  |  |
Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership interest (as a percent) |  |  |  |  |  | 8.00% | 8.00% |  |  |  |  |  |  |
Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership interest (as a percent) |  |  |  |  |  | 43.00% | 43.00% |  |  |  |  |  |  |
Class A ordinary shares |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reverse stock split |  |  |  |  | 0.2 |  |  |  |  |  |  |  |  |
Class A ordinary shares | Future Gas Station (Beijing) Technology, Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures |  |  |  |  |  | 487,057 |  |  |  |  |  |  |  |
Class A ordinary shares | Investment in Starry Blockchain Energy Pte. Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares cancelled | 316,345 |  |  |  |  |  |  |  |  |  |  |  |  |
Class A ordinary shares | Restricted shares | Investment in Starry Blockchain Energy Pte. Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures |  |  | 316,345 |  |  |  |  |  |  |  |  |  |  |
Stock price | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  | $ 9.48 |

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