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Stockholders' Equity, At-The-Market Program (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 11, 2021
Feb. 12, 2021
Mar. 31, 2022
Mar. 31, 2021
At-The-Market Program [Abstract]        
Issuance expenses     $ 30 $ 0
2021 Shelf [Member] | Maximum [Member]        
At-The-Market Program [Abstract]        
Aggregate offering price   $ 125,000    
2021 ATM [Member]        
At-The-Market Program [Abstract]        
Shares sold (in shares)     336,544 0
Proceeds from issuance of common stock     $ 1,200  
Issuance expenses     $ 35  
2021 ATM [Member] | Maximum [Member]        
At-The-Market Program [Abstract]        
Aggregate offering price $ 40,000