Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Net product sales	$ 23,020
Operating expenses:
Cost of goods sold	$ 86,712
Cost, Product and Service [Extensible List]	us-gaap:ProductMember	us-gaap:ProductMember
Research and development	$ 6,554,825	$ 3,416,466
Selling, general and administrative	6,428,832	3,737,987
Total operating expenses	13,070,369	7,154,453
Loss from operations	(13,047,349)	(7,154,453)
Other income (expense):
Interest income	5,672	28,798
Interest expense	(112,994)
Total other income (expense)	(107,322)	28,798
Net loss	$ (13,154,671)	$ (7,125,655)
Net loss per share of common stock, basic and diluted	$ (0.52)	$ (0.32)
Weighted-average shares used to compute basic and diluted net loss per share	25,492,169	22,296,089