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

Note 9 - Other Expenses (Details Textual)

v3.10.0.1
Note 9 - Other Expenses (Details Textual) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 13, 2018
May 07, 2018
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Statement Line Items [Line Items]            
Research and development expense, license fee     $ 5,000 $ 5,000
CrystalGenomics [member] | Exclusive license to cg806 outside of Korea and China [member]            
Statement Line Items [Line Items]            
Research and development expense, license fee   $ 2,000        
CrystalGenomics [member] | Exclusive license to cg806 in China [member]            
Statement Line Items [Line Items]            
Research and development expense, license fee $ 3,000