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Inventories (Narrative) (Details) - USD ($)
Jun. 30, 2021
Dec. 31, 2020
Inventory [Line Items]    
Obsolescence and discontinuance losses $ 300,000 $ 200,000
Non-current inventories 9,880,766 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 $ 300,000 $ 2,100,000