Stockholders’ Equity (Details) - USD ($)					1 Months Ended	3 Months Ended		9 Months Ended
	Jul. 09, 2019	Jun. 20, 2019	Jun. 17, 2019	Mar. 22, 2019	Apr. 30, 2019	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Jul. 30, 2019	Jun. 06, 2019	Dec. 31, 2018
Preferred Stock
Preferred stock, Authorized						2,000,000		2,000,000				2,000,000
Preferred Stock, Par or Stated Value Per Share						$ 0.0001		$ 0.0001				$ 0.0001
Preferred stock, Outstanding						0		0				0
Preferred Stock, Shares Issued						0		0				0
Common Stock
Common Shares, Shares Authorized						170,000,000		170,000,000				170,000,000
Common Stock, Par or Stated Value Per Share						$ 0.0001		$ 0.0001				$ 0.0001
Common stock issued on exercise of stock options (in shares)								30,000
Amount of common stock issued on exercise of stock options							$ (1,978)	$ 147,900	$ (1,978)
Average exercise price of options exercised (in dollars per share)					$ 5.25			$ 4.93
Common shares sold					437,043	63,887,384		63,887,384				57,034,154
Remaining common stock value available for issuance						$ 37,700,000		$ 37,700,000
Controlled Equity Offering
Proceeds from the issuance of common stock					$ 2,296,235
Payment of commissions and offering fees					$ 207,027
Underwriter and legal fees		$ 1,379,323
Common Stock, Par or Stated Value Per Share						$ 0.0001		$ 0.0001				$ 0.0001
Restricted Common Stock
Vested restricted stock								96,542
Maximum
Controlled Equity Offering
Sales agreement				$ 40,000,000
Restricted stock units | Officer
Restricted Common Stock
Vested restricted stock								195,042
Withheld common shares at fair value								68,069
Cost of withheld common shares								$ 180,289
Public offering
Controlled Equity Offering
Gross proceeds from issuance of common stock		17,500,002
Proceeds from the issuance of common stock		$ 16,100,000						18,777,642
Share price		$ 3.00
Payment of commissions and offering fees								$ 1,487,721
Number of shares issued		5,833,334
Public offering | Maximum
Common Stock
Common Shares, Shares Authorized			6,708,334
Over allotment
Controlled Equity Offering
Sales agreement			$ 875,000
Proceeds from the issuance of common stock	$ 1,200,000
Share price	$ 3.00
Number of shares issued	425,800
COMMON SHARES
Common Stock
Common Shares, Shares Authorized						170,000,000		170,000,000
Increase of common shares authorized											50,000,000
Common stock issued on exercise of stock options (in shares)							870	30,000	870
Amount of common stock issued on exercise of stock options								$ 3
COMMON SHARES | Minimum
Common Stock
Common Shares, Shares Authorized										120,000,000	120,000,000
COMMON SHARES | Maximum
Common Stock
Common Shares, Shares Authorized										170,000,000	170,000,000
COMMON SHARES | Public offering
Controlled Equity Offering
Number of shares issued						425,880		6,259,214