Subsequent Event (Details) - USD ($)				1 Months Ended	6 Months Ended
	Jul. 17, 2019	Jul. 17, 2019	Jul. 15, 2019	Jul. 31, 2019	Jun. 30, 2019	Jun. 30, 2018	Mar. 01, 2019
Subsequent Event [Line Items]
Proceeds from sale of common stock					$ 0	$ 2,134,162
Subsequent Event
Subsequent Event [Line Items]
Sale of stock, price per share (in dollars per share)	$ 0.30	$ 0.30	$ 0.30
Sale of stock, consideration received on transaction			$ 3,800,000	$ 4,700,000
Proceeds from sale of common stock		$ 4,700,000
Original Issue Discount Unsecured Subordinated Convertible Notes | Initial Conversion | Convertible Debt
Subsequent Event [Line Items]
Conversion price (in dollars per share)							$ 1.08
Original Issue Discount Unsecured Subordinated Convertible Notes | Adjusted Conversion [Member] | Convertible Debt | Subsequent Event
Subsequent Event [Line Items]
Conversion price (in dollars per share)			$ 0.30
Public Offering | Subsequent Event
Subsequent Event [Line Items]
Shares authorized amount (in shares)			13,750,000
Over-Allotment Option [Member] | Subsequent Event
Subsequent Event [Line Items]
Shares authorized amount (in shares)	2,062,500
Public Offering Including Over-Allotment Option [Member] | Subsequent Event
Subsequent Event [Line Items]
Shares authorized amount (in shares)		15,812,500