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Note 8 - Accrued Liabilities - Summary of Accrued Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Contract liabilities (see Note 14) $ 1,042 $ 1,807
Employee payroll and benefits 422 261
Marketing costs 40 104
Accrued interest on Convertible Notes 38 0
Inventory purchases 0 101
Other 327 451
Total accrued liabilities $ 1,869 $ 2,724