Condensed Consolidated Balance Sheets - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 47,651,774	$ 53,076,052
Prepaid expenses and other current assets	2,393,096	3,508,358
Total current assets	50,044,870	56,584,410
Property and equipment, net	20,587	23,870
Right of use lease asset	242,183	185,811
Other noncurrent assets	29,369	29,372
Total assets	50,337,009	56,823,463
Current liabilities:
Accounts payable	1,988,007	1,773,032
Accrued expenses	4,512,616	5,352,996
Lease liability-current	219,499	190,471
Total current liabilities	6,720,122	7,316,499
Lease liability-noncurrent	28,061
Total liabilities	6,748,183	7,316,499
Commitments and contingencies (Note 7)
Stockholders' equity:
Common stock, $0.001 par value, 400,000,000 shares authorized, 21,974,302 and 21,859,413 shares issued and outstanding at March 31, 2022 and December 31, 2021, respectively	21,974	21,859
Additional paid-in capital	243,062,384	240,978,439
Accumulated other comprehensive loss	(10,424,461)	(10,358,956)
Accumulated deficit	(189,071,071)	(181,134,378)
Total stockholders' equity	43,588,826	49,506,964
Total liabilities and stockholders' equity	$ 50,337,009	$ 56,823,463