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Inventories (Narrative) (Details) - USD ($) | Mar. 31, 2021 | Dec. 31, 2020
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Inventory [Line Items] |  |
Obsolescence and discontinuance losses | $ 100,000 | $ 200,000
Non-current inventories | 10,415,786 | 11,656,742
Ifetroban Clinical |  |
Inventory [Line Items] |  |
Non-current inventories | 400,000 | 400,000
Vaprisol |  |
Inventory [Line Items] |  |
Non-current inventories |  | 15,600,000
Finished goods | $ 800,000 | $ 2,100,000

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