Annual report pursuant to Section 13 and 15(d)

Note 11 - Collaborative Agreements (Details Textual)

v3.19.1
Note 11 - Collaborative Agreements (Details Textual) - USD ($)
$ in Millions
Dec. 31, 2018
Jun. 13, 2018
Mar. 07, 2018
CrystalGenomics [Member]      
Collaborative Agreement, Milestone Payment $ 16    
Collaborative Agreement, Regulatory Milestone $ 44    
CrystalGenomics [Member] | Exclusive License to CG806 in China, Development Milestones [Member]      
Collaborative Agreement, Regulatory Milestone   $ 6  
CrystalGenomics [Member] | Exclusive License to CG806 in China, Regulatory Milestones [Member]      
Collaborative Agreement, Regulatory Milestone   $ 20  
Ohm Oncology [Member]      
Collaborative Agreements, Potential Additional Milestone Payments Receivable     $ 125