Condensed Statements of Changes in Stockholders' Equity - USD ($)	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit
Beginning balance at Dec. 31, 2018	$ 45,083,158	$ 1,009	$ 91,914,692	$ (46,832,543)
Beginning balance, shares at Dec. 31, 2018		10,087,363
Stock-based compensation	671,927		671,927
Net loss	(7,968,705)			(7,968,705)
Ending balance at Mar. 31, 2019	37,786,380	$ 1,009	92,586,619	(54,801,248)
Ending balance, shares at Mar. 31, 2019		10,087,363
Beginning balance at Dec. 31, 2018	45,083,158	$ 1,009	91,914,692	(46,832,543)
Beginning balance, shares at Dec. 31, 2018		10,087,363
Net loss	(24,261,685)
Ending balance at Sep. 30, 2019	22,865,062	$ 1,010	93,958,280	(71,094,228)
Ending balance, shares at Sep. 30, 2019		10,095,176
Beginning balance at Mar. 31, 2019	37,786,380	$ 1,009	92,586,619	(54,801,248)
Beginning balance, shares at Mar. 31, 2019		10,087,363
Stock-based compensation	715,366		715,366
Issuance of stock in connection with stock option exercises	92,272	$ 1	92,271
Issuance of stock in connection with stock option exercises, shares		7,813
Net loss	(11,041,507)			(11,041,507)
Ending balance at Jun. 30, 2019	27,552,511	$ 1,010	93,394,256	(65,842,755)
Ending balance, shares at Jun. 30, 2019		10,095,176
Stock-based compensation	564,024		564,024
Net loss	(5,251,473)			(5,251,473)
Ending balance at Sep. 30, 2019	22,865,062	$ 1,010	93,958,280	(71,094,228)
Ending balance, shares at Sep. 30, 2019		10,095,176
Beginning balance at Dec. 31, 2019	$ 18,370,316	$ 1,010	94,619,818	(76,250,512)
Beginning balance, shares at Dec. 31, 2019	10,095,176	10,095,176
Issuance of common stock in connection with restricted stock unit vesting	$ 1	$ 1
Issuance of common stock in connection with restricted stock unit vesting, shares		5,858
Stock-based compensation	667,338		667,338
Net loss	(4,948,707)			(4,948,707)
Ending balance at Mar. 31, 2020	14,088,948	$ 1,011	95,287,156	(81,199,219)
Ending balance, shares at Mar. 31, 2020		10,101,034
Beginning balance at Dec. 31, 2019	$ 18,370,316	$ 1,010	94,619,818	(76,250,512)
Beginning balance, shares at Dec. 31, 2019	10,095,176	10,095,176
Net loss	$ (16,647,765)
Ending balance at Sep. 30, 2020	$ 10,503,512	$ 1,192	103,400,598	(92,898,278)
Ending balance, shares at Sep. 30, 2020	11,912,731	11,912,731
Beginning balance at Mar. 31, 2020	$ 14,088,948	$ 1,011	95,287,156	(81,199,219)
Beginning balance, shares at Mar. 31, 2020		10,101,034
Issuance of common stock through at-the-market facility, net of issuance costs	1,941,095	$ 36	1,941,059
Issuance of common stock through at-the-market facility, net of issuance costs, shares		363,549
Issuance of common stock for commitment fee	355,555	$ 15	355,540
Issuance of common stock for commitment fee, shares		148,148
Stock-based compensation	603,574		603,574
Net loss	(5,770,801)			(5,770,801)
Ending balance at Jun. 30, 2020	11,218,371	$ 1,062	98,187,329	(86,970,020)
Ending balance, shares at Jun. 30, 2020		10,612,731
Issuance of common stock through at-the-market facility, net of issuance costs	3,868,497	$ 105	3,868,392
Issuance of common stock through at-the-market facility, net of issuance costs, shares		1,055,002
Issuance of common stock through private placement	857,499	$ 25	857,474
Issuance of common stock through private placement, shares		244,998
Stock-based compensation	487,403		487,403
Net loss	(5,928,258)			(5,928,258)
Ending balance at Sep. 30, 2020	$ 10,503,512	$ 1,192	$ 103,400,598	$ (92,898,278)
Ending balance, shares at Sep. 30, 2020	11,912,731	11,912,731