Annual report [Section 13 and 15(d), not S-K Item 405]

Note 3 - Licenses Supplier Agreements (Details Textual)

v3.26.1
Note 3 - Licenses Supplier Agreements (Details Textual) - USD ($)
$ in Millions
1 Months Ended 4 Months Ended
Oct. 29, 2018
Feb. 17, 2015
Dec. 31, 2019
Jun. 17, 2015
Revogenex License [Member]        
Contractual Obligation, Maximum Future Payments       $ 3
Polpharma [Member]        
Payments to Acquire in Process Research and Development $ 2      
Fortress Biotech Inc [Member] | Iv Tramadol [Member]        
Payments to Acquire in Process Research and Development   $ 2    
Fortress Biotech Inc [Member] | Iv Tramadol [Member] | Additional Payment [Member]        
Payments to Acquire in Process Research and Development     $ 1 $ 1