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Note 4 - Prepaid Expenses and Other Current Assets - Summary of Prepaid Expenses and Other Current Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Prepaid dues and subscriptions $ 85 $ 43
Prepaid taxes 83 1
Prepaid inventory 73 211
Prepaid insurance 66 146
Other 81 159
Total prepaid expenses and other current assets $ 388 $ 560