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Inventories (Narrative) (Details) - USD ($) | Sep. 30, 2021 | Dec. 31, 2020
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Inventory [Line Items] |  |
Obsolescence and discontinuance losses | $ 300,000 | $ 200,000
Non-current inventories | 9,476,737 | 11,656,742
Inventory, Finished Goods, Net of Reserves | 5,812,293 | 5,943,732
Ifetroban Clinical |  |
Inventory [Line Items] |  |
Non-current inventories | 400,000 | 400,000
Vaprisol |  |
Inventory [Line Items] |  |
Non-current inventories |  | 15,600,000
Finished goods | 200,000 | 2,100,000
Inventory, Finished Goods, Net of Reserves | $ 9,500,000 | $ 11,700,000

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