Quarterly report pursuant to Section 13 or 15(d)

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

v3.10.0.1
Fair Value Measurements (Schedule of Qualitative Information) (Details)
3 Months Ended
Dec. 31, 2018
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. 01, 2021
Maximum [Member] | Measurement Input, Discount Rate [Member]  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Discount rate 18.50
Maximum [Member] | Measurement Input, 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 Sep. 01, 2019
Minimum [Member] | Measurement Input, Discount Rate [Member]  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Discount rate 16.10
Minimum [Member] | Measurement Input, Probability Of Change Of Control [Member]  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Probability of change of control 10.00%