Fair Value Measurements (Narrative) (Details)	12 Months Ended
	Jun. 30, 2019
Expected dividend yield [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Significant unobservable valuation inputs	0.00%
Risk-free interest rate [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Significant unobservable valuation inputs	1.72 -2.83%
Expected stock price volatility [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Significant unobservable valuation inputs	180.00%
Convertible notes [Member] | Expected dividend yield [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Significant unobservable valuation inputs	0%
Convertible notes [Member] | Risk-free interest rate [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Significant unobservable valuation inputs	2.61%
Convertible notes [Member] | Expected stock price volatility [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Significant unobservable valuation inputs	180%