CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY - USD ($)	Common stock	Additional paid-capital	Accumulated deficit	Total
Balance at Dec. 31, 2016	$ 9,995	$ 75,545,875	$ (45,968,562)	$ 29,587,308
Balance (in shares) at Dec. 31, 2016	9,994,825
Increase (Decrease) in Stockholders' Equity (Deficit)
Issuance of common stock, net of issuance costs	$ 3,517	57,289,524		57,293,041
Issuance of common stock, net of issuance costs (in shares)	3,516,594
Exercise of stock options	$ 42	434,649		434,691
Exercise of stock options (in shares)	42,454
Stock-based compensation expense		5,646,852		5,646,852
Net loss			(32,012,304)	(32,012,304)
Balance at Dec. 31, 2017	$ 13,554	138,916,900	(77,980,866)	60,949,588
Balance (in shares) at Dec. 31, 2017	13,553,873
Increase (Decrease) in Stockholders' Equity (Deficit)
Issuance of common stock, net of issuance costs	$ 4,062	29,933,443		29,937,505
Issuance of common stock, net of issuance costs (in shares)	4,062,500
Issuance of restricted stock	$ 11	(11)
Issuance of restricted stock (in shares)	10,500
Stock-based compensation expense		6,625,743		6,625,743
Net loss			(39,911,175)	(39,911,175)
Balance at Dec. 31, 2018	$ 17,627	175,476,075	(117,892,041)	57,601,661
Balance (in shares) at Dec. 31, 2018	17,626,873
Increase (Decrease) in Stockholders' Equity (Deficit)
Issuance of common stock, net of issuance costs	$ 5,534	45,181,536		45,187,070
Issuance of common stock, net of issuance costs (in shares)	5,534,935
Exercise of stock options	$ 41	189,659		189,700
Exercise of stock options (in shares)	40,983
Issuance of restricted stock	$ 9	(9)
Issuance of restricted stock (in shares)	8,600
Stock-based compensation expense		5,561,895		5,561,895
Net loss			(32,943,583)	(32,943,583)
Balance at Dec. 31, 2019	$ 23,211	$ 226,409,156	$ (150,835,624)	$ 75,596,743
Balance (in shares) at Dec. 31, 2019	23,211,391