Quarterly report pursuant to Section 13 or 15(d)

Nature of Business and Summary of Significant Accounting Policies, Fair Value of Financial Instruments (Details)

v3.19.3.a.u2
Nature of Business and Summary of Significant Accounting Policies, Fair Value of Financial Instruments (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
May 06, 2019
Dec. 31, 2018
Liabilities [Abstract]      
Warrant derivative liability $ 1,244 $ 2,130 $ 0
Level 1 [Member]      
Liabilities [Abstract]      
Warrant derivative liability 0    
Level 2 [Member]      
Liabilities [Abstract]      
Warrant derivative liability 0    
Level 3 [Member]      
Liabilities [Abstract]      
Warrant derivative liability $ 1,244