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

Share-Based Payment Transactions (Details)

v3.20.1
Share-Based Payment Transactions (Details) - Share-based payment arrangements [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Statement Line Items [Line Items]      
Research and development expenses $ 138 $ 123 $ 139
General and administrative expenses 132 130 53
Share-based payments $ 270 $ 253 $ 192