MGHIF Financing - Additional Information (Details) - USD ($)				1 Months Ended	6 Months Ended
	Jul. 14, 2018	Jun. 11, 2018	Jun. 28, 2017	Jul. 31, 2015	Jun. 30, 2018	Jun. 30, 2017
Common Stock and Note Purchase Agreement [Line Items]
Proceeds from issuance of common stock, net of issuance costs					$ 192,322	$ 3,426,050
MGHIF Financing Agreement [Member]
Common Stock and Note Purchase Agreement [Line Items]
Stock issued during period, shares, new issues				45,454
Shares issued, price per share				$ 110.00
Proceeds from issuance of common stock, net of issuance costs				$ 5,000,000
Debt instrument, interest rate, stated percentage				8.00%
Debt instrument, face amount				$ 1,000,000
Amended and Restated MGHIF Financing Agreement [Member]
Common Stock and Note Purchase Agreement [Line Items]
Debt instrument, interest rate, stated percentage			10.00%
Debt instrument, extended maturity date			Jul. 14, 2018
Issuance of common stock warrants to purchase			13,120
Merck GHI Financing Agreement [Member]
Common Stock and Note Purchase Agreement [Line Items]
Unamortized debt issuance costs		$ 7,000
Merck GHI Financing Agreement [Member] | The Allonge [Member]
Common Stock and Note Purchase Agreement [Line Items]
Debt instrument, face amount		$ 1,000,000
Revised and extended the maturity date, payment terms		Six semi-annual payments
Annual payments plus accrued and unpaid interest		$ 166,667
Beginning date of debt maturity		Jan. 02, 2019
Ending date of debt maturity		Jul. 01, 2021
Merck GHI Financing Agreement [Member] | The Allonge [Member] | Subsequent Event [Member]
Common Stock and Note Purchase Agreement [Line Items]
Accrued and unpaid interest	$ 285,512