Quarterly report pursuant to Section 13 or 15(d)

Accrued Liabilities and Other Payables (Details) - Schedule of accrued liabilities and other payables

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Accrued Liabilities and Other Payables (Details) - Schedule of accrued liabilities and other payables - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Schedule of accrued liabilities and other payables [Abstract]    
Accrued professional fees $ 1,445,225 $ 1,212,822
Accrued research and development fees 432,500 513,533
Accrued directors’ compensation 165,846 154,292
Accrued tenants’ improvement reimbursement 81,900 81,900
Tenants’ security deposit 69,533 69,634
Accounts payable 56,374 87,190
Deferred rental income 26,286 23,510
Other 110,360 105,177
Total $ 2,388,024 $ 2,248,058