Consolidated Statements of Operations and Comprehensive Loss - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Operating expenses
General and administrative	$ 5,265,438	$ 4,655,837
Research and development expenses	8,546,108	6,413,956
License expenses	533,334	625,000
Impairment of goodwill	0	5,187,519
Total operating expenses	14,344,880	16,882,312
Loss from operations	(14,344,880)	(16,882,312)
Other income	81,050	143,497
Net loss	(14,263,830)	(16,738,815)
Deemed dividend from trigger of round down provision feature	(789,594)	0
Net loss to common shareholders	(15,053,424)	(16,738,815)
Foreign currency translation adjustments, net of tax	(5,897)	(78,648)
Comprehensive loss	$ (15,059,321)	$ (16,817,463)
Loss per common share - basic and diluted (in usd per share)	$ (0.97)	$ (1.57)
Weighted average number of common shares outstanding:
Basic and diluted (in shares)	15,578,959	10,732,421