Consolidated Balance Sheets - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 130,088,869	$ 65,675,931
Prepaid expenses and other current assets	2,955,878	322,146
Total current assets	133,044,747	65,998,077
Property and equipment, net	41,639	24,450
Right of use lease asset	521,392
Other noncurrent assets	107	111
Total assets	133,607,885	66,022,638
Current liabilities:
Accounts payable	2,176,852	1,739,337
Accrued expenses	6,642,553	3,128,772
Lease liability—current	242,329
Total current liabilities	9,061,734	4,868,109
Lease liability—noncurrent	302,621
Total liabilities	9,364,355	4,868,109
Commitments and contingencies (Note _)
Convertible preferred stock:
Total convertible preferred stock		112,590,631
Stockholders’ deficit:
Common stock, $0.001 par value at December 31, 2019 and $0.11 par value at December 31, 2018; 000 and 1,155,366 shares issued and outstanding at December 31, 2019 and 2018, respectively.	21,023	127,091
Additional paid-in capital	226,284,548	19,666,588
Accumulated other comprehensive loss	(11,533,778)	(8,761,325)
Accumulated deficit	(90,528,263)	(62,468,456)
Total stockholders’ equity (deficit)	124,243,530	(51,436,102)
Total liabilities, convertible preferred stock and stockholders’ equity (deficit)	$ 133,607,885	66,022,638
Series A convertible preferred stock
Convertible preferred stock:
Total convertible preferred stock		6,483,044
Series B convertible preferred stock
Convertible preferred stock:
Total convertible preferred stock		49,742,942
Series C convertible preferred stock
Convertible preferred stock:
Total convertible preferred stock		$ 56,364,645