Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Financial Statements Detail - Equity Securities (Details)

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Condensed Consolidated Financial Statements Detail - Equity Securities (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Equity Securities          
Long-term equity securities         $ 1,693
Gain (loss) recognized due to change in fair value of investment     $ (482) $ 1,891  
Rezolute [Member]          
Equity Securities          
Long-term equity securities $ 1,200   1,200   $ 1,700
Gain (loss) recognized due to change in fair value of investment $ (1,100) $ 2,000 $ (500) $ 1,900