Quarterly report pursuant to Section 13 or 15(d)

Consolidated Financial Statements Detail - Equity Securities (Details)

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Consolidated Financial Statements Detail - Equity Securities (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Equity Securities          
Equity securities $ 531,000   $ 531,000   $ 681,000 [1]
Change in fair value of equity securities     (150,000) $ 746,000  
Rezolute          
Equity Securities          
Equity securities 500,000   500,000   $ 700,000
Change in fair value of equity securities $ 100,000 $ 31,000 $ (200,000) $ 700,000  
[1] The consolidated balance sheet as of December 31, 2019 has been derived from the audited consolidated financial statements as of that date included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2019.