Fair Value Measurement - Additional Information (Details) - CNY (¥) |
12 Months Ended | |
|---|---|---|
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 | ¥ 20,895,309 | |
| Beijing GlobalWisdom Information Technology Co., Ltd. ("GlobalWisdom") | ||
| Fair Value Measurement | ||
| Impairment loss recorded | ¥ 5,919,198 | ¥ 6,380,802 |