CONSOLIDATED STATEMENTS OF REDEEMABLE CONVERTIBLE PREFERRED STOCK, CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS’ EQUITY (DEFICIT) - USD ($)	Common stock	Additional paid in capital	Accumulated deficit	Total
Balance at Dec. 31, 2013	$ 49		$ (4,359,128)	$ (4,359,079)
Balance (in shares) at Dec. 31, 2013	490,760
Increase (Decrease) in Stockholders' (Deficit) Equity
Accretion of redeemable convertible preferred stock to redemption value		$ (87,954)		(87,954)
Issuance of common stock, net of issuance costs	$ 7	125,360		125,367
Issuance of common stock (in shares)	74,923
Forfeiture of common stock (pre recapitalization)	$ (36)	36
Forfeiture of common stock (pre recapitalization) (in shares)	(359,042)
Conversion of convertible preferred stock	$ 778	791,183		791,961
Conversion of convertible preferred stock (in shares)	591,230
Issuance of common stock (post recapitalization)	$ 694	1,146,913		1,147,607
Issuance of common stock (post recapitalization) (in shares)	693,661
Forfeiture of common stock (post recapitalization)	$ (42)	42
Forfeiture of common stock (post recapitalization) (in shares)	(41,667)
Issuance of restricted stock	$ 580	(580)
Issuance of restricted stock (in shares)	579,882
Net loss			(5,669,577)	(5,669,577)
Balance at Dec. 31, 2014	$ 2,030	1,975,000	(10,028,705)	(8,051,675)
Balance (in shares) at Dec. 31, 2014	2,029,747
Increase (Decrease) in Stockholders' (Deficit) Equity
Issuance of common stock, net of issuance costs	$ 3,450	42,118,554		42,122,004
Issuance of common stock (in shares)	3,450,000
Conversion of convertible preferred stock	$ 3,704	16,519,107		16,522,811
Conversion of convertible preferred stock (in shares)	3,704,215
Exercise of stock options	$ 16	63,493		63,509
Exercise of stock options (in shares)	15,957
Stock-based compensation expense		1,600,625		1,600,625
Net loss			(12,551,350)	(12,551,350)
Balance at Dec. 31, 2015	$ 9,200	62,276,779	(22,580,055)	39,705,924
Balance (in shares) at Dec. 31, 2015	9,199,919
Increase (Decrease) in Stockholders' (Deficit) Equity
Issuance of common stock, net of issuance costs	$ 795	9,999,730		10,000,525
Issuance of common stock (in shares)	794,906
Stock-based compensation expense		3,269,366		3,269,366
Net loss			(23,388,507)	(23,388,507)
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