Annual report pursuant to Section 13 and 15(d)

Fair Value Measurement (Details 1)

v3.10.0.1
Fair Value Measurement (Details 1) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Liabilities:      
Warrant liabilities $ 156 $ 130 $ 20
Fair Value, Inputs, Level 1 [Member]      
Liabilities:      
Warrant liabilities 0 0  
Total liabilities 0 0  
Fair Value, Inputs, Level 2 [Member]      
Liabilities:      
Warrant liabilities 0 0  
Total liabilities 0 0  
Fair Value, Inputs, Level 3 [Member]      
Liabilities:      
Warrant liabilities 156 130  
Total liabilities $ 156 $ 130