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Equity - Common Stock and Preferred Stock (Details) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended 9 Months Ended
Jun. 01, 2022
Jul. 31, 2022
Jul. 31, 2018
Sep. 30, 2022
Sep. 30, 2022
Sep. 30, 2021
Stockholders' equity            
Common stock, authorized shares       62,500,000 62,500,000  
Preferred stock, authorized shares       2,000,000.0 2,000,000.0  
Proceeds from issuance of common stock, net of offering costs         $ 6,539 $ 5,309
ATM            
Stockholders' equity            
Number of shares of common stock issued       0 501,000  
Number of shares issued to date       1,600,000 1,600,000  
Aggregate offering price         $ 8,700  
Gross proceeds from the offering         624  
Proceeds from issuance of common stock, net of offering costs         $ 587  
Share price of shares issued in offering (in dollars per share)       $ 1.24 $ 1.24  
Participation Right            
Stockholders' equity            
Number of shares of common stock issued   1,592,000        
Proceeds from issuance of common stock, net of offering costs   $ 1,700        
Stock Issued, Investor, Maximum Voting Power Percentage     20.00%      
Stock Issued, Investor, Maximum Beneficial Ownership Percentage     20.00%      
Share price of shares issued in offering (in dollars per share)   $ 1.11        
Underwritten public offering            
Stockholders' equity            
Number of shares of common stock issued 4,186,000          
Gross proceeds from the offering $ 4,600          
Proceeds from issuance of common stock, net of offering costs $ 4,200          
Share price of shares issued in offering (in dollars per share) $ 1.11          
Common Stock | ATM            
Stockholders' equity            
Gross proceeds from the offering         $ 6,100  
Proceeds from issuance of common stock, net of offering costs         $ 5,900  
Share price of shares issued in offering (in dollars per share)       $ 3.84 $ 3.84