Consolidated Balance Sheets - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 12,077,640	$ 41,671,284
Prepaid expenses and other current assets	807,356	1,075,021
Total current assets	12,884,996	42,746,305
Property and equipment, net	193,974	130,867
Other assets:
Goodwill	7,647,267	7,647,267
In-process research and development	118,600	118,600
Other non-current assets	620,674	20,380
Total assets	21,465,511	50,663,419
Current liabilities:
Accounts payable	561,090	1,033,829
Accrued expenses	1,944,431	4,546,432
Other current liabilities	263,392
Total current liabilities	2,768,913	5,580,261
Other non-current liabilities	326,282
Total liabilities	3,095,195	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
Common stock, $0.0001 par value; authorized 150,000,000 shares; 10,095,176 and 10,087,363 shares issued and outstanding at December 31, 2019 and 2018, respectively	1,010	1,009
Additional paid-in capital	94,619,818	91,914,692
Accumulated deficit	(76,250,512)	(46,832,543)
Total stockholders’ equity	18,370,316	45,083,158
Total liabilities and stockholders’ equity	$ 21,465,511	$ 50,663,419