Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v3.19.1
Fair Value Measurements (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Quoted prices in active markets (Level 1) [Member]    
Liabilities:    
Warrant liability $ 0 $ 0
Significant other observable inputs (Level 2) [Member]    
Liabilities:    
Warrant liability 0 0
Significant unobservable inputs (Level 3) [Member]    
Liabilities:    
Warrant liability $ 103 $ 210