Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Fair Value Measurements (Details Textual)

v3.20.1
Fair Value Measurements (Details Textual) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Fair Value Measurements (Textual)    
Derivatives liabilities $ 68 $ 97