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Financial Instruments (Fair Value Using Black-Scholes Option-Pricing Model) (Details)
Jun. 30, 2019
year
Mar. 08, 2019
year
Expected Life [Member] | Equity Contract, Preemptive Rights [Member]    
Derivative [Line Items]    
Derivative asset, measurement input 2.01 2.32
Expected Life [Member] | Equity Contract, Warrant [Member]    
Derivative [Line Items]    
Derivative asset, measurement input 3.69 4
Expected Volatility [Member] | Equity Contract, Preemptive Rights [Member]    
Derivative [Line Items]    
Derivative asset, measurement input 0.8898 0.9302
Expected Volatility [Member] | Equity Contract, Warrant [Member]    
Derivative [Line Items]    
Derivative asset, measurement input 0.8898 0.9302
Risk Free Interest Rate [Member] | Equity Contract, Preemptive Rights [Member]    
Derivative [Line Items]    
Derivative asset, measurement input 0.0146 0.0161
Risk Free Interest Rate [Member] | Equity Contract, Warrant [Member]    
Derivative [Line Items]    
Derivative asset, measurement input 0.0140 0.0167
Expected Dividend Yield [Member] | Equity Contract, Preemptive Rights [Member]    
Derivative [Line Items]    
Derivative asset, measurement input 0 0
Expected Dividend Yield [Member] | Equity Contract, Warrant [Member]    
Derivative [Line Items]    
Derivative asset, measurement input 0 0
Measurement Input, Weighted Average Expected Term [Member] | Equity Contract, Preemptive Rights [Member] | Minimum [Member]    
Derivative [Line Items]    
Derivative asset, measurement input 2  
Measurement Input, Weighted Average Expected Term [Member] | Equity Contract, Preemptive Rights [Member] | Maximum [Member]    
Derivative [Line Items]    
Derivative asset, measurement input 7