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Licensing and Other Arrangements - Rezolute (Details) $ in Thousands |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 35 Months Ended
--- | --- | --- | --- | --- | ---
Dec. 06, 2017 USD ($) | Oct. 31, 2020 shares | Sep. 30, 2021 USD ($) | Dec. 31, 2020 USD ($) shares | Sep. 30, 2020 USD ($) shares | Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) shares | Oct. 31, 2020 USD ($) shares
Licensing and other arrangements |  |  |  |  |  |  |  |
Revenue recognized |  |  | $ 550 |  | $ 200 | $ 1,094 | $ 753 |
Rezolute [Member] |  |  |  |  |  |  |  |
Licensing and other arrangements |  |  |  |  |  |  |  |
Number of shares owned | shares |  | 161,860 |  | 161,860 | 8,093,010 |  | 8,093,010 | 161,860
Rezolute [Member] | License Agreement and Common Stock Purchase Agreement [Member] |  |  |  |  |  |  |  |
Licensing and other arrangements |  |  |  |  |  |  |  |
License agreement consideration received | $ 0 |  |  |  |  |  |  |
Payments received upon achievement of financing activities |  |  |  |  |  |  |  | $ 6,000
Installment payments received |  |  |  |  |  |  |  | $ 8,500
Number of shares received | shares |  |  |  |  |  |  |  | 8,093,010
Contract assets |  |  | 0 | $ 0 |  | 0 |  |
Contract liabilities |  |  | 0 | 0 |  | 0 |  |
Capitalized contract costs |  |  | 0 | $ 0 |  | 0 |  |
Rezolute [Member] | License Agreement [Member] |  |  |  |  |  |  |  |
Licensing and other arrangements |  |  |  |  |  |  |  |
Percentage of decrease in future royalty obligations | 20.00% |  |  |  |  |  |  |
Agreement termination prior written notice period | 90 days |  |  |  |  |  |  |
Revenue recognized |  |  | $ 0 |  | $ 0 | $ 0 | $ 0 |
Rezolute [Member] | License Agreement, RZ358 |  |  |  |  |  |  |  |
Licensing and other arrangements |  |  |  |  |  |  |  |
Maximum eligible milestone payments receivable upon achievement of development, regulatory and commercial milestones | $ 232,000 |  |  |  |  |  |  |
Royalty payment period | 12 years |  |  |  |  |  |  |
Rezolute [Member] | License Agreement, Non-RZ358 products |  |  |  |  |  |  |  |
Licensing and other arrangements |  |  |  |  |  |  |  |
Royalty payment period | 12 years |  |  |  |  |  |  |
Rezolute [Member] |  |  |  |  |  |  |  |
Licensing and other arrangements |  |  |  |  |  |  |  |
Reverse stock split |  | 0.02 |  | 0.02 |  |  |  |

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