Quarterly report pursuant to Section 13 or 15(d)

Related Party Agreements (Narrative) (Details)

v3.22.2.2
Related Party Agreements (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Mar. 04, 2022
Jan. 01, 2022
Jul. 22, 2016
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Related Party Transaction [Line Items]                
Common stock, shares issuable       6,987   6,987   2,536,607
Proceeds from debt issuance           $ 30,000 $ 0  
Runway Debt Facility                
Related Party Transaction [Line Items]                
Warrant term 10 years              
Proceeds from debt issuance $ 30,000              
Restricted Stock Awards [Member]                
Related Party Transaction [Line Items]                
Number of shares issued           358,320    
At the Market Offering [Member]                
Related Party Transaction [Line Items]                
Proceeds from issuance of common shares           $ 6,600 $ 66,900  
Fortress Biotech, Inc [Member]                
Related Party Transaction [Line Items]                
Percentage of annual fees expense related to Management Services Agreement recorded in research and development expenses       50.00% 50.00% 50.00% 50.00%  
Percentage of annual fees expense related to Management Services Agreement recorded in general and administrative expenses       50.00% 50.00% 50.00% 50.00%  
Shares issued for services (in shares)   2,536,607       1,196,187    
Common stock, shares issuable       6,987   6,987    
Proceeds from issuance of common shares           $ 6,600    
Percentage of fully diluted equity   2.50% 2.50%     2.50%    
Expenses from related party transaction       $ 200 $ 100 $ 800 $ 400  
Fortress Biotech, Inc [Member] | Research and development [Member]                
Related Party Transaction [Line Items]                
Expenses from related party transaction               $ 4,200
Fortress Biotech, Inc [Member] | General and administrative [Member]                
Related Party Transaction [Line Items]                
Expenses from related party transaction       $ 18 $ 100 $ 900 $ 1,700