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Stockholders' Equity (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Apr. 21, 2023
Mar. 31, 2023
Feb. 01, 2023
Mar. 31, 2023
Jun. 30, 2023
Jun. 30, 2022
May 05, 2017
Class of Stock [Line Items]              
Paid-in-kind dividend on Series A Preferred Stock $ 200       $ 157 $ 0  
Issuance of warrant (in shares)     325,857        
Estimated fair value     $ 800 $ 826      
Maximum              
Class of Stock [Line Items]              
Requirement to own shares outstanding as percent             4.99%
Series A Preferred Stock              
Class of Stock [Line Items]              
Dividends declared on preferred stock (in shares)   68,464          
Common Stock              
Class of Stock [Line Items]              
Shares issued (in shares)       3,842,315      
New shares issued (in shares)     3,842,315 3,814,864      
Remaining authorized amount         $ 7,000    
Common Stock | Arq Acquisition              
Class of Stock [Line Items]              
Shares issued (in shares)     3,814,864        
Preferred Stock | Arq Acquisition              
Class of Stock [Line Items]              
Shares issued (in shares)     5,294,462