Contingent Payment Obligations (Tables)

6 Months Ended

Jun. 30, 2020

Contingent Payment Obligations [Abstract]

Schedule of milestone payments are to be made upon achievements of certain conditions

	Amount
Drug molecules: up to the conditions and milestones of
Preclinical to IND filing	$	372,564
From entering phase 1 to before first commercial sale		24,216,410
First commercial sale		15,656,410
Net sales amount more than certain threshold in a year		75,769,231
Subtotal		116,014,615
Surgical robotics and medical devices: up to the conditions and milestones of
Before FDA approval		270,000
FDA approval obtained		200,000
Subtotal		470,000
Total	$	116,484,615