Condensed Consolidated Balance Sheets - USD ($)	Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 16,121,903	$ 41,671,284
Prepaid expenses and other current assets	972,064	1,075,021
Total current assets	17,093,967	42,746,305
Property and equipment, net	158,796	130,867
Other assets:
Goodwill	7,647,267	7,647,267
In-process research and development	118,600	118,600
Other non-current assets	523,202	20,380
Total assets	25,541,832	50,663,419
Current liabilities:
Accounts payable	29,569	1,033,829
Accrued expenses	2,154,999	4,546,432
Other current liabilities	227,872
Total current liabilities	2,412,440	5,580,261
Other non-current liabilities	264,330
Total liabilities	2,676,770	5,580,261
Commitments and Contingencies (Note 6)
Stockholders’ equity:
Preferred stock, $0.0001 par value; authorized 10,000,000 shares; none issued and outstanding	0	0
Common stock, $0.0001 par value; authorized 150,000,000 shares; 10,095,176 and 10,087,363 shares issued and outstanding at September 30, 2019 and December 31, 2018, respectively	1,010	1,009
Additional paid-in capital	93,958,280	91,914,692
Accumulated deficit	(71,094,228)	(46,832,543)
Total stockholders’ equity	22,865,062	45,083,158
Total liabilities and stockholders’ equity	$ 25,541,832	$ 50,663,419