v3.21.1
Leases - Supplemental cash flow information (Details) - USD ($)
1 Months Ended 2 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Oct. 31, 2019
Oct. 31, 2019
Dec. 31, 2019
Dec. 31, 2019
Oct. 03, 2019
Dec. 31, 2020
Operating leases            
Operating cash flows from operating leases       $ 12,750   $ 89,500
Financial Designation, Predecessor and Successor [Fixed List] Successor Successor Successor   Predecessor Successor