Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Commitments and Contingencies - Schedule of Future Minimum Payments Under Commitments (Details)

v3.20.1
Commitments and Contingencies - Schedule of Future Minimum Payments Under Commitments (Details) - Agreement with Tsinghua University
Dec. 31, 2019
CNY (¥)
Long Term Purchase Commitment [Line Items]  
2020 ¥ 10,000,000
2021 10,000,000
Total ¥ 20,000,000