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Debt (Schedule of paycheck protection program loan liabilities) (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Debt    
Current portion of the PPP Loan included under short-term debt $ 0 $ 761
Long-term portion of the PPP Loan included under long-term debt 0 0
Liability component total $ 0 $ 761