Quarterly report pursuant to Section 13 or 15(d)

Stockholders Equity (Common Stock and Equity Offerings) (Narrative) (Details)

v3.23.2
Stockholders Equity (Common Stock and Equity Offerings) (Narrative) (Details)
$ / shares in Units, $ in Thousands
 6 Months Ended
Mar. 15, 2023
Mar. 03, 2023
Jan. 06, 2023
shares
Jan. 01, 2022
Jul. 22, 2016
Jun. 30, 2023
USD ($)
$ / shares
shares
Jun. 30, 2022
USD ($)
$ / shares
shares
Dec. 31, 2022
USD ($)
$ / shares
shares
May 24, 2021
USD ($)
Dec. 04, 2020
USD ($)
Aug. 31, 2018
Stockholders' Equity                      
Stockholders' Equity Note, Stock Split, Conversion Ratio 0.0667                    
Common stock, shares authorized           200,000,000   200,000,000      
Common stock par value (in dollars per share) | $ / shares           $ 0.0001   $ 0.0001      
Preferred stock, shares authorized           2,000,000   2,000,000      
Preferred stock, shares issued           250,000   250,000      
Aggregate value of shares subscribed | $           $ 0   $ 1,109      
Common stock, shares issued           7,320,444   7,100,111      
Common stock, shares issuable           0   187,134      
Shares available for future sale           414,958          
Minimum                      
Stockholders' Equity                      
Stockholders' Equity Note, Stock Split, Conversion Ratio   0.20                  
Maximum                      
Stockholders' Equity                      
Stockholders' Equity Note, Stock Split, Conversion Ratio   0.05                  
At the Market Offering [Member]                      
Stockholders' Equity                      
Agent commission (as a percent)                     3.00%
Issuance of common shares (in shares)           0 450,000        
Shares issued, price per share | $ / shares             $ 13.10        
Proceeds from issuance of common shares | $             $ 5,900        
Aggregate fees of stock issuance | $           $ 1,200 $ 1,200        
Registration Statements [Member]                      
Stockholders' Equity                      
Sale of Stock aggregate offering price - Founders Agreement | $                 $ 200,000 $ 100,000  
Shares available for future issuance - Founders Agreement | $           $ 8,000          
Fortress Biotech, Inc [Member]                      
Stockholders' Equity                      
Issuance of common shares - Founders Agreement (in shares)     187,134                
Percentage of fully diluted equity       2.50% 2.50%            
Issuance of common shares (in shares)           0 11,906        
Shares issued, price per share | $ / shares             $ 26.67        
Common stock, shares issuable           2,777