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Revenue by Product (Tables)
6 Months Ended
Jun. 30, 2021
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information, Revenue by Product The following table presents a summary of total product sales by these products: 
Three Months Ended June 30,Six Months Ended June 30,
Product Sales by Product:20202020
Bloxiverz$800 $2,201 
Vazculep4,915 10,429 
Akovaz4,196 9,545 
Other180 159 
Total product sales$10,091 $22,334