XML 32 R21.htm IDEA: XBRL DOCUMENT v3.21.2
Co-Development Agreement with SFJ Pharmaceuticals and Development Derivative Liability (Tables)
6 Months Ended
Jun. 30, 2021
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Derivative Liabilities at Fair Value The following table presents the changes in the development derivative liability for the three and six months ended June 30, 2021:
Three Months Ended June 30, 2021Six Months Ended June 30, 2021
Fair value at beginning of period$4,597 $— 
Non-cash research and development expense3,547 5,795 
Cash receipts from SFJ750 1,500 
Change in the fair value of development derivative liability2,713 4,312 
Fair value at end of period$11,607 $11,607