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Description of Business and Summary of Significant Accounting Policies (Tables)
 3 Months Ended
Mar. 31, 2023
Description of Business and Summary of Significant Accounting Policies [Abstract]  
Schedule of cash, cash equivalents and restricted cash
(in thousands)  March 31,
2023		   December 31,
2022		 
Cash and cash equivalents  $94,522   $108,910 
Restricted cash - current   399    396 
Restricted cash – long-term   304    302 
Cash, cash equivalents and restricted cash  $95,225   $109,608 

  
Schedule of diluted net loss per share anti-dilutive
(in thousands)  March 31,
2023		   March 31,
2022		 
Options   3,324    1,333 
Restricted Stock Units   325    
-
 
Warrants   1,443    2,052 
Total   5,092    3,385