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Common Shares - Equity Financings (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Subsidiary, Sale of Stock [Line Items]        
Proceeds from issuance of common shares     $ 1,013 $ 51
At-The-Market Offering Agreement [Member] | H. C. Wainwright And Co., LLC [Member]        
Subsidiary, Sale of Stock [Line Items]        
Proceeds from issuance of common shares $ 560 $ 51 1,013 $ 51
Threshold of aggregate sales proceeds     10,000  
Remaining threshold of aggregate sales proceeds $ 8,702   $ 8,702