Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Schedule of Qualitative Information) (Details)

v3.19.2
Fair Value Measurements (Schedule of Qualitative Information) (Details)
9 Months Ended
Jun. 30, 2019
USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Valuation Methodology Monte Carlo Simulation
Maximum [Member]  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Estimated change of control dates Dec. 31, 2021
Maximum [Member] | Discount Rate [Member]  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Discount rate 19.70
Maximum [Member] | Probability Of Change Of Control [Member]  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Probability of change of control 90.00%
Minimum [Member]  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Estimated change of control dates Mar. 01, 2020
Minimum [Member] | Discount Rate [Member]  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Discount rate 16.30
Minimum [Member] | Probability Of Change Of Control [Member]  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Probability of change of control 0.00%