XML 86 R74.htm IDEA: XBRL DOCUMENT v3.20.4
Note 17 - Related Party Transactions (Details Textual) - Tris Pharma, Inc. [Member] - USD ($)
$ in Millions
1 Months Ended 3 Months Ended
Oct. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Tris License Agreement [Member]      
Related Party Transaction, Amounts of Transaction   $ 1.9 $ 0.2
Due to Related Parties, Total   $ 24.1 $ 24.8
Karbinal Fixed Payment Obligation [Member]      
Related Party Transaction, Amounts of Transaction $ 1.6