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Licensing and Other Arrangements - Rezolute - First Amendment (Details) $ in Thousands |  |  |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended | 13 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 30, 2019 USD ($) | Jan. 07, 2019 USD ($) | Apr. 03, 2018 USD ($) item shares | Dec. 06, 2017 shares | Mar. 31, 2019 USD ($) | Apr. 30, 2018 USD ($) shares | Mar. 31, 2018 USD ($) shares | Mar. 31, 2020 USD ($) | Sep. 30, 2019 USD ($) | Mar. 31, 2019 USD ($) | Mar. 31, 2018 USD ($) | Mar. 31, 2020 USD ($) | Dec. 31, 2019 shares | Dec. 31, 2018 USD ($) | Mar. 31, 2019 USD ($)
Licensing and other arrangements |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  | $ 804 |  | $ 8,131 |  |  |  |  |
Revenue from contracts with customers |  |  |  |  |  |  |  | 500 |  | $ 8,026 |  |  |  |  |
Rezolute |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Licensing and other arrangements |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |
Rezolute | License Agreement and Common Stock Purchase Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Licensing and other arrangements |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of cash eligible to receive |  |  |  |  |  |  | $ 6,000 |  |  |  |  |  |  |  |
Amount of Rezolute's common stock eligible to receive |  | $ 8,500 |  |  |  |  | $ 8,500 |  |  |  |  |  |  |  |
Number of Rezolute's common stock eligible to receive contingent on completion of financing activities | shares |  |  |  |  |  |  | 7,000,000 |  |  |  |  |  |  |  |
Gross proceeds to be raised for qualified financing |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 20,000
Additional common stock to be received if Rezolute did not complete financing |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 8,500
Common stock trading period |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 days
Eligible to receive, in order to maintain license agreement |  |  |  |  |  |  |  |  |  |  |  | $ 15,000 |  |  |
Transaction price, Shares received (in shares) | shares |  |  | 8,093,010 |  |  | 8,093,010 |  |  |  |  |  |  |  |  |
Transaction price, cash consideration |  |  | $ 500 |  |  | $ 500 |  |  |  |  |  |  |  |  |
Number of arrangements | item |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |
Transaction price |  |  | $ 1,800 |  |  |  |  |  |  |  |  |  |  |  |
Transaction price, Value of common stock received |  |  | 1,000 |  |  |  |  |  |  |  |  |  |  |  |
Reimbursable technology transfer expense received | $ 300 |  | 300 |  |  |  |  |  |  |  |  |  |  |  |
Upfront consideration to incremental discount for future payment |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |
Revenue from contracts with customers |  |  |  |  | $ 2,500 |  |  |  | $ 6,000 |  |  |  |  | $ 1,800 |
Rezolute | License Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Licensing and other arrangements |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reimbursable technology transfer expense received |  |  | $ 300 |  |  |  |  |  |  |  |  |  |  |  |
Revenue from contracts with customers |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |
Rezolute | Common Stock Purchase Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Licensing and other arrangements |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Rezolute's shares Company has right and option to sell if Rezolute does not list common stock shares on national exchange | shares |  |  |  | 5,000,000 |  |  |  |  |  |  |  |  | 5,000,000 |  |
Percent of Rezolute's shares held Company has right and option to sell if Rezolute does not list common stock shares on national exchange |  |  |  | 33.33% |  |  |  |  |  |  |  |  |  |  |

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