Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurement (Details Textual)

v3.19.2
Fair Value Measurement (Details Textual) - Discount Rate
Jun. 30, 2019
Minimum  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Fair value inputs, discount rate 5.80%
Maximum  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Fair value inputs, discount rate 12.50%