Condensed Consolidated Balance Sheets - USD ($)	Jun. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 69,803,845	$ 89,017,686
Prepaid expenses and other current assets	1,494,453	3,399,019
Total current assets	71,298,298	92,416,705
Property and equipment, net	30,955	38,515
Right of use lease asset	191,098	320,616
Other noncurrent assets	29,379	29,383
Total assets	71,549,730	92,805,219
Current liabilities:
Accounts payable	2,361,318	4,503,619
Accrued expenses	8,037,524	10,571,237
Lease liability-current	199,219	256,309
Total current liabilities	10,598,061	15,331,165
Lease liability-noncurrent		78,847
Total liabilities	10,598,061	15,410,012
Commitments and contingencies (Note 7)
Stockholders' equity:
Common stock, $0.001 par value, 400,000,000 shares authorized, 21,186,827 shares issued and outstanding at June 30, 2021 and December 31, 2020, respectively	21,187	21,187
Additional paid-in capital	235,104,416	231,418,356
Accumulated other comprehensive loss	(10,247,091)	(10,037,261)
Accumulated deficit	(163,926,843)	(144,007,075)
Total stockholders' equity	60,951,669	77,395,207
Total liabilities and stockholders' equity	$ 71,549,730	$ 92,805,219