Quarterly report pursuant to Section 13 or 15(d)

Related Party Agreements (Narrative) (Details)

v3.23.1
Related Party Agreements (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Jan. 01, 2022
Jul. 22, 2016
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Related Party Transaction [Line Items]          
Common stock, shares issuable     0   187,134
Proceeds from debt issuance     $ 0 $ 30,000  
At the Market Offering [Member]          
Related Party Transaction [Line Items]          
Proceeds from issuance of common shares       $ 2,800  
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%  
Percentage of annual fees expense related to Management Services Agreement recorded in general and administrative expenses     50.00% 50.00%  
Percentage of fully diluted equity 2.50% 2.50%      
Expenses from related party transaction     $ 100 $ 300  
Fortress Biotech, Inc [Member] | Research and development [Member]          
Related Party Transaction [Line Items]          
Expenses from related party transaction         $ 1,100
Fortress Biotech, Inc [Member] | General and administrative [Member]          
Related Party Transaction [Line Items]          
Expenses from related party transaction       $ 800