XML 63 R51.htm IDEA: XBRL DOCUMENT v3.23.1
Long-term debt (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Long-term debt    
Principal $ 10,000 $ 10,000
Plus: End of term fee 395 395
Less: Debt discount attributable to warrants, net of accretion (8) (8)
Less: Unamortized deferred financing cost, net of accretion (90) (146)
Long-term debt, net $ 10,297 $ 10,241