CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenues:
Research and development revenue	$ 402,527	$ 184,330
Costs and expenses:
Costs of research and development revenue	327,903	146,809
Research and development	692,370	576,884
Research and development - related party	389,473	392,549
General and administrative	1,428,067	1,292,997
Foreign currency exchange loss, net	6,034	4,840
Total costs and expenses	2,843,847	2,414,079
Loss from operations	(2,441,320)	(2,229,749)
Interest income	266,962	186,457
Loss before income taxes	(2,174,358)	(2,043,292)
Provision for income taxes	900	0
Net loss	$ (2,175,258)	$ (2,043,292)
Basic and diluted net loss per common share (USD per share)	$ (0.08)	$ (0.07)
Basic and diluted weighted-average common shares outstanding (in shares)	26,713,486	28,159,244