Condensed Consolidated Statements of Changes in Stockholders' Equity - USD ($)	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit
Beginning balance at Dec. 31, 2017	$ 22,335,537	$ 74,974	$ 47,812,215	$ (25,551,652)
Beginning balance, shares at Dec. 31, 2017		7,497,433
Costs associated with common stock issuance	(38,747)		(38,747)
Stock-based compensation	252,374		252,374
Net loss	(3,983,604)			(3,983,604)
Ending balance at Mar. 31, 2018	18,565,560	$ 74,974	48,025,842	(29,535,256)
Ending balance, shares at Mar. 31, 2018		7,497,433
Beginning balance at Dec. 31, 2017	22,335,537	$ 74,974	47,812,215	(25,551,652)
Beginning balance, shares at Dec. 31, 2017		7,497,433
Net loss	(12,784,605)
Ending balance at Sep. 30, 2018	53,105,730	$ 1,005	91,440,982	(38,336,257)
Ending balance, shares at Sep. 30, 2018		10,052,988
Beginning balance at Mar. 31, 2018	18,565,560	$ 74,974	48,025,842	(29,535,256)
Beginning balance, shares at Mar. 31, 2018		7,497,433
Reallocation for change in par value		$ (74,224)	74,224
Stock-based compensation	326,428		326,428
Net loss	(4,835,490)			(4,835,490)
Ending balance at Jun. 30, 2018	14,056,498	$ 750	48,426,494	(34,370,746)
Ending balance, shares at Jun. 30, 2018		7,497,433
Issuance of common stock, net of issuance costs	42,662,027	$ 255	42,661,772
Issuance of common stock, net of issuance costs, shares		2,555,555
Stock-based compensation	352,716		352,716
Net loss	(3,965,511)			(3,965,511)
Ending balance at Sep. 30, 2018	53,105,730	$ 1,005	91,440,982	(38,336,257)
Ending balance, shares at Sep. 30, 2018		10,052,988
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	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	10,087,363
Issuance of stock in connection with stock option exercises, shares	7,813
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	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	10,095,176