Fair Value Measurement - Additional Information (Details) - CNY (¥) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|
| Fair Value Measurement | |||
| Gain from change in fair value | ¥ 2,750,000 | ||
| ApplySquare Education & Technology Co., Ltd. ("ApplySquare") | |||
| Fair Value Measurement | |||
| Gain from change in fair value | ¥ 2,750,000 | ||
| Impairment loss recorded | ¥ 1,576,391 | ¥ 20,895,309 | |
| Beijing Futou Technology Co., Ltd. ("Futou Technology") | |||
| Fair Value Measurement | |||
| Impairment loss recorded | ¥ 150,000 | ||
| Beijing GlobalWisdom Information Technology Co., Ltd. ("GlobalWisdom") | |||
| Fair Value Measurement | |||
| Impairment loss recorded | ¥ 5,919,198 | ||
| X | ||||||||||
- Definition Amount of impairment loss on investment in equity security without readily determinable fair value. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Definition Amount of gain from upward price adjustment on investment in equity security without readily determinable fair value. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|