Statements of Operations - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Operating expenses:
Research and development	$ 1,271,542	$ 605,411	$ 2,597,783	$ 1,727,872
General and administrative	1,012,007	791,348	1,807,470	1,656,543
Total operating expenses	2,283,549	1,396,759	4,405,253	3,384,415
Loss from continuing operations	(2,283,549)	(1,396,759)	(4,405,253)	(3,384,415)
Other income (expense):
Interest income	3,254	1,832	6,728	3,767
Interest expense	(664)	(57,865)	(1,501)	(58,666)
Change in value of derivative liability		231,644		231,644
Local business tax	(330)	(1,200)	(660)	(2,400)
Other income		1,361		6,508
Total other income, net	2,260	175,772	4,567	180,853
Loss from continuing operations before income taxes	(2,281,289)	(1,220,987)	(4,400,686)	(3,203,562)
Income tax benefit	0	0	0	0
Net loss from continuing operations	$ (2,281,289)	$ (1,220,987)	$ (4,400,686)	$ (3,203,562)
Basic and diluted net loss per share from continuing operations	$ (0.38)	$ (0.25)	$ (0.80)	$ (0.65)
Shares used to compute basic and diluted net loss per share from continuing operations	6,028,701	4,928,335	5,509,741	4,924,115
Discontinued operations
Profit from operations of discontinued component		$ 121
Profit from discontinued operations		$ 121
Basic and diluted net profit per share from discontinued operations	$ 0	$ 0	$ 0	$ 0
Shares used to compute basic and diluted net profit per share from discontinued operations	6,028,701	4,928,335	5,509,741	4,924,115
Net loss	$ (2,281,289)	$ (1,220,866)	$ (4,400,686)	$ (3,203,562)
Basic and diluted net loss per share	$ (0.38)	$ (0.25)	$ (0.80)	$ (0.65)
Shares used to compute basic and diluted net loss per share	6,028,701	4,928,335	5,509,741	4,924,115