Quarterly report pursuant to Section 13 or 15(d)

Royalty-Linked Notes - Additional Information (Details)

v3.20.2
Royalty-Linked Notes - Additional Information (Details) - Royalty-Linked Notes
3 Months Ended 6 Months Ended
Jan. 21, 2020
USD ($)
RNL
$ / RNL
Jun. 30, 2020
USD ($)
Jun. 30, 2020
USD ($)
Debt Instrument [Line Items]      
Interest expense   $ 864,000 $ 889,000
Sulopenem      
Debt Instrument [Line Items]      
Debt discounts   $ 940,000 $ 940,000
Estimated effective interest rate   30.30% 30.30%
Private Placement      
Debt Instrument [Line Items]      
Aggregate principal amount $ 2,579,400    
Debt instrument outstanding portion | $ / RNL 0.04    
Debt instrument note price per unit | $ / RNL 2.00    
Debt instrument maturity date Dec. 31, 2045    
Debt instrument, aggregate potential payment capped value $ 160,000    
Debt instrument, aggregate potential payment capped rate 4,000    
Number of debt instruments within each notes | RNL 50    
Maximum return amount for each unit $ 8,000,000