Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Cash flows from operating activities:
Net loss	$ (29,417,969)	$ (21,280,891)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation	2,612,855	1,318,153
Depreciation	58,282	27,744
Loss on disposal of property and equipment	57,578
Changes in operating assets and liabilities
Prepaid expenses and other current assets	267,665	(193,134)
Accounts payable	(472,739)	937,956
Accrued expenses	(2,602,001)	2,609,101
Other noncurrent assets	(10,620)	(6,732)
Net cash used in operating activities	(29,506,949)	(16,587,803)
Cash flows from investing activities:
Purchase of property and equipment	(178,967)	(95,627)
Net cash used in investing activities	(178,967)	(95,627)
Cash flows from financing activities:
Proceeds from issuance of common stock, net of issuance costs		42,622,700
Proceeds from exercise of stock options	92,272	87,659
Net cash provided by financing activities	92,272	42,710,359
Net (decrease) increase in cash and cash equivalents	(29,593,644)	26,026,929
Cash and cash equivalents, beginning of the year	41,671,284	15,644,355
Cash and cash equivalents, end of the year	$ 12,077,640	$ 41,671,284