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

Subsequent Events (Details)

v3.19.2
Subsequent Events (Details) - Subsequent Events [Member] - USD ($)
$ in Thousands
1 Months Ended
Aug. 31, 2019
Jul. 31, 2019
Subsequent Events (Textual)    
Total upfront payment   $ 750
Achievement of certain milestones   $ 3,250
Kyongbo Pharm [Member]    
Subsequent Events (Textual)    
Upfront payment received $ 750