CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenues:
Research and development revenue	$ 315,372	$ 402,527
Costs and expenses:
Costs of research and development revenue	278,182	327,903
Research and development	755,453	692,370
Research and development - related party	0	389,473
General and administrative	1,653,392	1,428,067
Foreign currency exchange loss (gain), net	10,867	6,034
Total costs and expenses	2,697,894	2,843,847
Loss from operations	(2,382,522)	(2,441,320)
Interest income	168,383	266,962
Loss before income taxes	(2,214,139)	(2,174,358)
Provision for income taxes	0	900
Net loss	$ (2,214,139)	$ (2,175,258)
Basic and diluted net loss per common share (USD per share)	$ (0.08)	$ (0.08)
Basic and diluted weighted-average common shares outstanding (in shares)	27,452,490	26,713,486