CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY |
Ordinary shares
CNY (¥)
shares
|
Ordinary shares
USD ($)
shares
|
Additional paid-in capital
CNY (¥)
|
Additional paid-in capital
USD ($)
|
Accumulated other comprehensive loss
CNY (¥)
|
Accumulated other comprehensive loss
USD ($)
|
Accumulated deficit
CNY (¥)
|
Accumulated deficit
USD ($)
|
CNY (¥) |
USD ($) |
|---|---|---|---|---|---|---|---|---|---|---|
| Beginning balance at Dec. 31, 2022 | ¥ 99,744 | ¥ 1,915,825,641 | ¥ (16,536,686) | ¥ (589,290,822) | ¥ 1,310,097,877 | |||||
| Beginning balance (in shares) at Dec. 31, 2022 | shares | 154,261,562 | 154,261,562 | ||||||||
| Increase (decrease) in shareholders' deficit | ||||||||||
| Net loss | (271,835,982) | (271,835,982) | ||||||||
| Foreign currency translation adjustment, net of nil income taxes | 7,386,368 | 7,386,368 | ||||||||
| Unrealized holding gains on available-for-sale security, net of income taxes | 17,454 | 17,454 | ||||||||
| Reclassification adjustment for gains on available-for-sale securities realized in net loss, net income taxes | (362,810) | (362,810) | ||||||||
| Share-based compensation (Note 13) | 47,659,304 | 47,659,304 | ||||||||
| Exercise of share-based awards | ¥ 603 | 653,420 | 654,023 | |||||||
| Exercise of share-based awards (in shares) | shares | 855,468 | 855,468 | ||||||||
| Ending balance at Dec. 31, 2023 | ¥ 100,347 | 1,964,138,365 | (9,495,674) | (861,126,804) | 1,093,616,234 | |||||
| Ending balance (in shares) at Dec. 31, 2023 | shares | 155,117,030 | 155,117,030 | ||||||||
| Increase (decrease) in shareholders' deficit | ||||||||||
| Net loss | (193,200,639) | (193,200,639) | ||||||||
| Foreign currency translation adjustment, net of nil income taxes | 6,366,312 | 6,366,312 | ||||||||
| Share-based compensation (Note 13) | 24,232,978 | 24,232,978 | ||||||||
| Exercise of share-based awards | ¥ 518 | 266,817 | 267,335 | |||||||
| Exercise of share-based awards (in shares) | shares | 728,356 | 728,356 | ||||||||
| Ending balance at Dec. 31, 2024 | ¥ 100,865 | 1,988,638,160 | (3,129,362) | (1,054,327,443) | 931,282,220 | |||||
| Ending balance (in shares) at Dec. 31, 2024 | shares | 155,845,386 | 155,845,386 | ||||||||
| Increase (decrease) in shareholders' deficit | ||||||||||
| Net loss | ¥ 0 | 0 | 0 | (39,385,588) | (39,385,588) | $ (5,632,064) | ||||
| Foreign currency translation adjustment, net of nil income taxes | 0 | 0 | (14,861,312) | 0 | (14,861,312) | (2,125,139) | ||||
| Share-based compensation (Note 13) | 27,731,397 | 27,731,397 | ||||||||
| Exercise of share-based awards | ¥ 435 | 164,152 | 164,587 | |||||||
| Exercise of share-based awards (in shares) | shares | 608,028 | 608,028 | ||||||||
| Ending balance at Dec. 31, 2025 | ¥ 101,300 | $ 14,486 | ¥ 2,016,533,709 | $ 288,360,485 | ¥ (17,990,674) | $ (2,572,632) | ¥ (1,093,713,031) | $ (156,398,883) | ¥ 904,931,304 | $ 129,403,456 |
| Ending balance (in shares) at Dec. 31, 2025 | shares | 156,453,414 | 156,453,414 |
| X | ||||||||||
- Definition Number of shares of increase (decrease) to additional paid-in capital (APIC) for recognition and exercise of award under share-based payment arrangement. No definition available.
|
| X | ||||||||||
- Definition Amount of increase (decrease) to additional paid-in capital (APIC) for recognition and exercise of award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
|
| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount, after tax and before adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Number of shares issued which are neither cancelled nor held in the treasury. No definition available.
|
| X | ||||||||||
- Definition Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|