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Liquidity and Management's Plan (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Jun. 30, 2022
Mar. 31, 2022
Liquidity And Managements Plan [Abstract]      
Net loss $ 7,639    
Accumulated deficit 154,870    
Cash used in operating activities 3,360    
Cash and cash equivalents 2,155    
Convertible debentures   $ 28,000 $ 28,000
Initially intended capital amount $ 300,000