Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

Property, Plant and Equipment, Net (Details Textual)

v3.20.1
Property, Plant and Equipment, Net (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Property, Plant and Equipment, Net (Textual)      
Depreciation expenses $ 14 $ 14 $ 19