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Common Shares - Equity Financings (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Subsidiary, Sale of Stock [Line Items]    
Proceeds from issuance of common shares $ 453  
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 453 $ 0
Threshold of aggregate sales proceeds 10,000  
Remaining threshold of aggregate sales proceeds $ 9,279