Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurement (Narrative) (Details)

v3.20.1
Fair Value Measurement (Narrative) (Details) - USD ($)
Mar. 31, 2020
Dec. 31, 2019
Level 3 Financial Liabilities [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Combined derivative and warrant liability $ 6,059,349 $ 5,693,071