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Note 8 - Accrued Liabilities - Summary of Accrued Liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Mar. 31, 2022
Contract liabilities (see Note 14) $ 1,864   $ 1,807
Employee payroll and benefits 402   261
Marketing costs 49   104
Inventory purchases 14   101
Other 480   451
Total accrued liabilities $ 2,809 $ 2,724 $ 2,724